Harley Sputters Low Rpms

i cant believe that i could of hurt it. It especially sputters when under the strain of going up a hill between 750 and 2200 RPM's. now it does it with the engine cold, wont idle for more than a minute, cant ride it it falls on its face and stalls! fouls out front plug too. When the KR was first introduced, it dominated motorcycle racing in the United States. 2: When rolling off the throttle, it pops and pops and pops like rapid firing of shot-guns. BTW they had already checked the PTP Sensor and it's resistance (it was all good) So the reasoning behind the Fuel assembly replacement is to fix the spitting and sputtering (which was the original problem) at 30-40 mph and low RPM, Suzuki stated that when going all out there is really no issue because everything is flowing fine but when the. I installed the Sniper EFI on my SBC 360 with Vortec heads, Edelbrock Performer RPM intake and mild cam using a 1" 4-hole carb spacer. Today my 02 Sequoia began exhibiting a hesitation/stuttering/shaking when accelerating from low RPMs (from a standing start, or when upshifting to pass or climb a hill etc. 3 harley dealerships cant find the problem. I have the same prob with my first gen but its not efi. On one occasion the sputtering was comple. Sputter Low RPM. Texoma Harley-Davidson® is a Motorcycles dealership located in Sherman, TX. It would start right up and idle and run throughout the rpm range with out a hiccup. Idles fine also. Last month when out of town, my husband was driving my car and told me it felt like it "sputtering as if it were running out of gas". It idles normal. Idle rpms rise as ignition is advanced. Spittin and sputterin at low throttle speeds. low rpm sputtering help!! This is a discussion on low rpm sputtering help!! within the Drivetrain forums, part of the CJ Forums category; hello everyone, i just picked up a 79 cj5 with the 304 v8 and it has been having some issues. Then see how that. DO NOT PERFORM THIS NEAR AN OPEN FLAME. Come visit us today!. The Sport comes with a black, ceramic-coated, staggered shorty dual exhaust system. Noticing the weird noise and jumpy RPM I ran her up to see what my full throttle static RPM was and she's only getting around 1700 RPM. Harley Davidson Forums. I shift into first at a normal rpm, and the car is sputtering and spitting, then after like 3k rpm, its as strong as ever and roars thru the rpms. When driving down the freeway between 55-65 MPH I experience sputtering. Also new plugs with no luck. The profile is unmistakable, beginning up front with the raked-out fork, low-rise pullback handlebar and stretched tank. The front speakers only required removal of the meter, which has one plug under it. Then I got this sputtering, or hesitation, what ever to call it at low rpm's. this time it is down low when im at a stop light and i give it gas to take off, it sputters for a split second and then its cool after that only does it in the low RPMs. Zzr600 low rpm sputtering/no power Hello, I got stuck in a downpour on my way back from work a week ago and now the bike is running poorly. What else could it be. as soon as you get above 3k absolutly nothing. There are no warning indicators on the gauge cluster and I was riding the bike earlier this morning without any issues. After a short ride, we stopped for her to get gas. Misfire/hesitation at low rpm. rpm jump, sputtering, hesitating Since it's summer, and I have a lot of time, I figured I'd help him canvas the internet. If I accelerate past 1500 the noise goes away. I tried the parking lot trick but it only worked for a couple minute then it went back to sputtering. 94-98 12 Valve Cummins Low Power, Sputtering, White Smoke. The Fat Bob® motorcycle features aggressive, unapologetic styling, mind-blowing performance and handling, premium finishes, and the massive torque of the Milwaukee-Eight® engine. The first few times I rode it yesterday it didn't stall, but I noticed that it would sputter a little bit at low rpm (2-3500) when I cranked the throttle. 5 l with 200 000 km sputters when accelerating at low rpms since a few weeks. Also new plugs with no luck. 0 mustang low RPM miss - MustangWorks. 5:1 with rings. The second I click into gear, the idle drops to around 600, but it feels like it's sputtering and the car shakes. The first few times I rode it yesterday it didn't stall, but I noticed that it would sputter a little bit at low rpm (2-3500) when I cranked the throttle. The world's largest RX-8 owners and enthusiasts community. The PAIR closes just off idle. Then a couple times it would wouldn't even go faster than 20 MPH and full throttle, then all of a sudden it kicks in and goes great. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. For older Magnetti Marelli fuel injected bikes, adjusting the fuel table to remove fuel can help reduce popping. Hopefully this will offer some insight into what can cause some motors to need a rebuild at 35K miles and other identical engines go 100K miles with few problems. The Milwaukee-Eight 114 motor means the 2020 Harley-Davidson Low Rider S packs a powerful, yet controllable, punch. If I accelerate past 1500 the noise goes away. Minor issues with sputtering/no power while coasting at low speed/RPMs. May be a new issue, maybe not. Once I got it started the sputtering situation only got worse. It runs great at high RPM, and also starts easily and idles well, but in midrange under light throttle it just is a sputtering mess and sounds terrible. Simply put, Harley-Davidson has engineered the FXRS into the contemporary world of motorcycling, a genuinely remarkable accomplishment. i can't seem to get a smooth response when i give it gas quicker than normal. The motorcycle should not be operated at the low idle RPM for. Usually, on a Big Twin, about the time you hit 60 or 65 miles per hour in second gear, the engine will begin to sputter and miss. Hey Guys new member here and excellent site you have! I have a 95 Camaro with a 5. Hello! I would like to ask the gurus of jeep mechanics in this forum, for help on sum issues that I have on my mj. Engine Sputtering At Low Rpm Welcome to AutoLanka We found you speeding on AutoLanka Forums without any registration! If you want the best experience, please sign in. It's designed to like 4000-11,000 RPM. These three motorcycles—the Harley-Davidson Fat Bob 114, Harley-Davidson FXDR 114, and Ducati's Diavel 1260 S—are here to shove a piece of cruiser market into a new era. It does not die, just coughs and sputters until it's bumped up above 1600. See specs, photos and pricing on Motorcycles at www. 0 mustang low RPM miss - MustangWorks. Low RPM sputtering real drag! - Page 3 - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums. I used greased lightning then hit it with the power-washer, everything but the battery and fuse box. Harley-Davidson's profilation of this bike: The Low Rider® model takes to the street as long, low and restless as ever. The registration process requires you to activate your membership by following a link in an E-Mail that will be sent to you immediately upon completing this form. The problem is now that it will run there, it runs rough at low rpms (under 3500 or so), sputtering, sort of feeling like I am only on 2 or 3 cylinders. Harley Davidson Forums > Tags > Threads Tagged with sputters. As soon as I start to give it more throttle or get up in the rpms it will run fine. I just bought a 2006 XL1200C sportster with 788 mi. One common cause of an engine sputtering is a malfunctioning battery. Pulling back up to the ramp I start slowing down and sure enough starts sputtering. Jump to Latest Follow 1 - 19 of 19 Posts Discussion on V-Twin Harley Davidson motorcycles including Dyna, Electra Glide, Softail, Sportster, and. 3 sputtering at low rpm. Save 10% ($1. if after this tank, the sputtering doesnt clear up, should i move to the next step and replace the plugs?. Re: '00 sputtering at low RPM's if someone rejets their bike or puts new exhaust system, then you must synch the carbs otherwise this is what happens. I can floor it in the low rpm range and it won't sputter. Hey Everyone, I am having some problems with my 109. No Trouble Code Problem Hesitation / Stalling / RPM Drop Off / Bogging / Sputtering Symptoms lol : Thats a mouth full - No C. Noticing the weird noise and jumpy RPM I ran her up to see what my full throttle static RPM was and she's only getting around 1700 RPM. after waiting at a stop light sometimes I notice my car would start rising in rpms. I know these bikes have issues when the fuel is low but I have been very particular and kept the gas tank full. In any gear, doesn't matter if stopped at traffic light, or trying to pass a vehicle in front, it spits and sputters while at lower rpm, then as the rpm gets to mid level, no more sputter, but not really any power either. The result: better low-end torque and faster 60 to 80 mph 5th gear roll-on to get you around that 18-wheeler. The engine is 175,000 miles and recently I have noticed during acceleration when at low RPMs, under a load, it sputters and in some cases backfires. I've read some posts about sensors but they did not provide a lot of detail. I had trouble believing this to be the problem as was said earlier, usually high rpm is where you would notice a difference. Low RPM sputtering real drag! - Page 3 - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums. Well ever since I changed them out, I've been having an odd sputtering at low rpms. After runnung at low RPMs and give it gas, it likes to backfire once or twice. For the past week or two I've been riding the bike around to try and get most of the gas out of the tank and the Seafoam ran through the fuel system. IT starts like a dream, but it wants to bog and sputter bad down low. I lost sight of her so I pulled over. Now the sputtering occurs at high unloaded power (deck not engaged), especially when riding around on the sulky. Hey Everyone, I am having some problems with my 109. Re: 07 f12x sputtering/rpm bouncing at low idle Thanks guys. But the advantage is that you have torque, and power, from very low rpm's. There is still a slight miss at idle, some sputtering at very low rpms that clears up as rpms come up and a hard sputter at about 10 psi. my bike is spitting and sputtering (cutting out) at crusing speed. Not a huge difference, but enough to entice buyers disinterested in the whole Harley brand. The power pulses of a 4-stroke 90 degree v-twin are too far apart and uneven to be smooth at very low revs. It does not die, just coughs and sputters until it's bumped up above 1600. Only things I did before hand was change plugs. Harley Davidson Softail Misfire refers to when the Harley Softail's engine runs but fails to ignite the fuel correctly. The world's largest RX-8 owners and enthusiasts community. 3/4-full throttle: sputtering and VERY low power SOHC/4 Owners Club Forums But also, it has zero power above maybe 3500 rpmit just won't do much under load. Post by airplanetech11 » Mon Jun 30, 2014 6:02 am I had the same issue, mine was doing it at low RPM such as being at a stop light and also around 1800 RPM when in Overdrive and pressing the accelerator. You may have to register before you can post: click the register link above to proceed. Page 3- '11 sputters at a constant rpm and low acceleration 1000RR General Discussion '11 sputters at a constant rpm and low acceleration - Page 3 - Honda CBR1000 Forum : 1000RR. The first few times I rode it yesterday it didn't stall, but I noticed that it would sputter a little bit at low rpm (2-3500) when I cranked the throttle. It idles normal. Starts and idles just fine, runs in high rpm's just fine, but when between 800 - 1600 the motor stumbles and looses rpm. If i roll on the throttle slowly, it runs fine. When you suddenly close the throttle, the incoming air is choked off and the closed throttle also causes the bike to return to idle on the very lean idle circuit. The car still pulls hard and there does not seem to be any loss of power. Here we go again. any help?. It stutters pretty bad on low rpm take off from a stop. Okay, so after searching and reading through various threads on here, I'm inclined to think my problem lies in the ignition system, but I really can't say for sure, so I'm seeking some diag help from fellow. Then see how that. Engine stalls at low RPM. Save 10% ($1. My 1999 Subaru Legacy 2. BTW they had already checked the PTP Sensor and it's resistance (it was all good) So the reasoning behind the Fuel assembly replacement is to fix the spitting and sputtering (which was the original problem) at 30-40 mph and low RPM, Suzuki stated that when going all out there is really no issue because everything is flowing fine but when the. it's almost like the computer in the truck can't decide what it's doing. The engine is 175,000 miles and recently I have noticed during acceleration when at low RPMs, under a load, it sputters and in some cases backfires. This heritage cycle, inspired by decades on the open road, brings a ’60s-style Hiawatha headlamp and nacelle to the present paired with a blacked-out Milwaukee-Eight® 107 engine, one-touch saddlebags and electronic optional Reflex™ Defensive Rider Systems that help you corner and stop safely in any conditions. I'm thinking the high RPM sputter is a coilpack. Engine Sputtering At Low Rpm Welcome to AutoLanka We found you speeding on AutoLanka Forums without any registration! If you want the best experience, please sign in. 05' C230K Sputtering at low RPM while accelerating. I have checked the spark plugs and wires. It doesnt try to stall, but it just hangs at that rpm no matter how much gas I give it. As for removing parts and things while this problem is occurring, I don't think thats possible. I shift into first at a normal rpm, and the car is sputtering and spitting, then after like 3k rpm, its as strong as ever and roars thru the rpms. it's a weird strange feeling. Re: Engine missing/sputtering under high load/low rpms This sounds EXACTLY like what mine was doing last year. re: rough idle and sputter ip: logged message: i am currently having the same problem, sputtering and backfiring noise from under the hood for about 3-4 minutes wntill the engine warms up and when i give it alot of fuel, on my 97 3. heres the list of symptoms: Lost of power Sputter at low rpms Rough idle Horrible gas milage What Ive changed so far: Map sensor TBI unit Gas pump with the strainer Gas filter What I. I have a 2006 Ford F150 with a 5. but as soon as i come to a stop same thing, car shakes like crazy. my bike is spitting and sputtering (cutting out) at crusing speed. At high rpm's it still runs great. Re: 07 f12x sputtering/rpm bouncing at low idle Thanks guys. At low RPM (between 1000 and 2000 rpm) if i hit the gas the engine with sputter and jolt. I replaced the battery, and so far the bike hasnt died completely on me yet. Totalmotorcycle. 05' C230K Sputtering at low RPM while accelerating. now it does it with the engine cold, wont idle for more than a minute, cant ride it it falls on its face and stalls! fouls out front plug too. Save 10% ($1. One common cause of an engine sputtering is a malfunctioning battery. For pit bikes with smaller cc displacement engines, in order for a cylinder to fire efficiently, three separate components must work together; the fuel delivery system (carburetor), the ignition coil. Run the bike and see if the popping has reduced. Like most people say you can check fuel pressure, low will cause miss under load. I have a 2011 Tahoe and about 2 months ago it started shuddering or sputtering when at low pm and under load. heres the list of symptoms: Lost of power Sputter at low rpms Rough idle Horrible gas milage What Ive changed so far: Map sensor TBI unit Gas pump with the strainer Gas filter What I. I can floor it in the low rpm range and it won't sputter. It will start up and idle fine at 1000 rpm, as well as rev as high as I want in neutral or first gear with the clutch in. International. My 1999 Subaru Legacy 2. IT starts like a dream, but it wants to bog and sputter bad down low. could be a needle issue. i filled up with. Sometimes I ride and it's totally fine and sometimes it has this problem. com website. thanks to. my bike is spitting and sputtering (cutting out) at crusing speed. You may find cheaper ones in another brand, but the results may be good or bad. I suspected that was the case, but am admittedly disappointed that the annoying sputter is considered "normal. The power pulses of a 4-stroke 90 degree v-twin are too far apart and uneven to be smooth at very low revs. 4k rpm then sputter, choke, backfire! I just bought my first 4runner, 1998 sr5 4x4 with 110k. We attempt to bring humor, hard work, competitiveness, compassion, and a love for everything Harley-Davidson® to our market. If I accelerate past 1500 the noise goes away. Hey guys, whats up? I bought a used 01 banshee, and ever since i got it it never worked right, I spits and sputters real real bad, but only on bottom end and mid range, top end it clears up, and seems to run pretty good, compression is 110 on both cylinders, had the carbs off atleast 15 times in. The engine has sputter and small back firing out the exhaust around 1500 to 2000 rpm. Sputtering could also be caused by lugging a motor: too low RPM for the selected gear My first thought is poor fuel quality so I'd go run the tank low, buy a tank full of good quality name brand premium fuel and add some fuel system cleaner to it. Which is why it would still run (no power) but still run from 4k to redline. Then a couple times it would wouldn't even go faster than 20 MPH and full throttle, then all of a sudden it kicks in and goes great. These bikes are built with low seats. you can feel it, and hear it. This is all straight out of the book BTW. Before that and after it runs great. Usually, on a Big Twin, about the time you hit 60 or 65 miles per hour in second gear, the engine will begin to sputter and miss. XFI RPM HI-LIFT 218/232 Hydraulic Roller Cam for GM LS GEN IV w/ VVT JavaScript seems to be disabled in your browser. Hey Everyone, I am having some problems with my 109. I'm guessing spark plugs as they are original, how hard are they to get to? any help or thoughts on sputtering would be great. Bike has V&H exhaust, Thunder MFG intake, TFI controller. On the way home her Harley started to misfire and run poorly. Sputtering problem low rpm. When the engine was at low rpm and I was accelerating (floored) it would sputter and run rough until I got to higher rpm, then run fine. OK here goesI'm not a mechanic but my husband is and he's tried explaining it to me this way: the angle of the 2 cylinders causes the uneven firing which we hear at idle. I have checked the air filter, changed the spark plug, changed the fuel filter and now am thinking about working on the carburetor. Low idle and bad sputter Sounds like it wants to die but doesn't. You may have to register before you can post: click the register link above to proceed. For the best experience on our site, be sure to turn on Javascript in your browser. Re: Low RPM sputter Post by DenverWinger » Thu Aug 17, 2017 7:32 pm Maybe time to re-sync the carburetors - if they are out of sync, won't be noticed much at half throttle but the closer the throttles are to idle the more the out-of balance is noticed. from Eastern Performance Cycles. Hesitation, sputtering, bogging on the Ford 4. thanks in advance. They sent out recall notices to everyone that gave a correct address. I'd be cruising on the highway and step on it and it would cough and sputter and then clear up. She has been operating fine (1500-1700 RPM= 8 kts Throttle a little over half; good economic cruising speed) however today I pushed it up a bit (Throttles about 3/4 -2000 RPM 9-10 kts) She was reacting very poorly by sputtering and jumping up and down on the RPMs almost as if she was starving for fuel and then getting a surge and starving again. This is a discussion on sputtering in low rpm range within the General Help forums, part of the LSx Technical Help Section category; Having idle issues, and my car is sputtering in low rpm range, my car sat up for about two months. For older Magnetti Marelli fuel injected bikes, adjusting the fuel table to remove fuel can help reduce popping. Power seems down, but that is just impression. I replaced the battery, and so far the bike hasnt died completely on me yet. ive checked for vaccum leaks and couldnt find any. At low RPM (between 1000 and 2000 rpm) if i hit the gas the engine with sputter and jolt. I was riding the other day and I noticed when I rolled on the throttle, the old girl was sputtering up to about 2300 or so. it's almost like the computer in the truck can't decide what it's doing. New to the forum. Below 5000 rpm it is weak and sputters, but once I hit around 5000 rpm it takes off and runs great. Re SU needles -- The 3 screw round tops used on 72's came with N-58 needles in automatics and slightly richer N54's in 4 sp cars. Hey I just bought a 2001 750SS for $900 off of craigslist and was wondering what could be the cause of the low rpm hesitation only at a very low throttle settings. Hey Guys new member here and excellent site you have! I have a 95 Camaro with a 5. Unable to ride at this time Turned fuel mix screw 2. High RPM sputtering/bogging problem I had a total power loss from 70 to 55 mph while i was WOT (wide open throttle) We pulled off of the highway for about an hour for a break, I had to leave due to this problem and rode home WOT in 6th gear at now 65 MPH. Harley-Davidson Fuel Injection basics It is a sad day in Hogville. bank 1 lean code, never came back and my low rpm sputter went away. The Deceleration Pop Problem Decel Pop is many times a nasty issue to deal with. You are currently viewing our boards as a guest which gives you limited access to view most discussions and access our other features. Ok, I removed the injector lines and replaced the glow plugs. Sputter Low RPM. This often applies to engines with hotter than stock cams, but in any case about 90 % of all carb problems turn out to be ignition related. After about 15 mins she showed up and said her bike would not stay running. If your boat is equipped with the ESA module and two switches on the port side of the motor (shift interrupt and overthrow) then i would first check these out. At high rpm's it still runs great. So I shift into first and start trying to accelerate and BAM. I replaced the battery, and so far the bike hasnt died completely on me yet. 5 l with 200 000 km sputters when accelerating at low rpms since a few weeks. I have a CBR f4. When you suddenly close the throttle, the incoming air is choked off and the closed throttle also causes the bike to return to idle on the very lean idle circuit. 4L, 5spd ~121k and 1 super novice wrencher with little know-how and a shallow wallet. Hi guys, been out on the bike today as the weather here in the uk has finally got better!! But I have a issue with it. if after this tank, the sputtering doesnt clear up, should i move to the next step and replace the plugs?. The PAIR is designed to dump fresh air into the exhaust to finish off unburned hydrocarbons. The problem i'm having is that when its in low rpm's the bike kind of sputters. AudiWorld Forums > Audi Models > Audi A4 > A4 (B6 Platform) Discussion > car shudders at low rpm while i accelerating. Re: 07 f12x sputtering/rpm bouncing at low idle Thanks guys. Before that and after it runs great. If i roll on the throttle slowly, it runs fine. Harley Chat Group. Went out on a group ride with some friends and picked up a nail in my. 5:1 with rings. He said when he was doing the wires one of them came apart but he screwed it bsck together and it worked fine for a while then started sputtering agian. My 1999 Subaru Legacy 2. should i let it warm even more. At low rpms, the engine will cough and sputter, and almost stall as if its not getting enough fuel. This does not occur always, but about 99% of the time. I have a CBR f4. 5 l with 200 000 km sputters when accelerating at low rpms since a few weeks. Low RPM Bucking/Sputtering Under Load. Well the other day I made it home and I turned it off and then started it again and it was fine. The bike ran great the whole way home, but the next day when I went to go for a ride it was acting up. Apparently these motors are tuned to run leaner untill 3500 rpm and then go into blind mode after that. Harley-Davidson (HOG - Get Report) shares were running low on gas Monday, off 1. Here is my situation Two weeks ago I took my Chief on my chapter's dirt road run, it ran like a champ and made it home absolutely filthy. Q: With my truck in park if I throttle it up it sputters at 1500 rpms. Welcome to Harley Chat Group. Harley Chat Group. The CV carburetor may show signs of needing to be tuned. My Odyssey at random times will sputter and RPM will drop to about 800rpm. Many thanks everyone. I live on the water so I dont start it on a trailer, and i have a pretty long canal that you have to go slow in, I'd say about a 3 minute ride or so to the open water. Idle is still a little "rough", with periods of very smooth idle, and then slightly rougher idle, then smooth again, etc. after about 200 miles this weekend, its still has a low rpm hesitation/sputtering stutter. Ok, I removed the injector lines and replaced the glow plugs. There’s more than an added wheel at work here. However, when I open up the throttle, it starts to speed up and then hesitates and sputters. High boost low rpm Built Motor Discussion. When I stopped to check it out I also thought I'd go ahead and fill up with gas. I suspected that was the case, but am admittedly disappointed that the annoying sputter is considered "normal. Of late, my '09 2. on low rpm idling of course the engine is doing less work. Harley Intake Leak Q: I just join the program and I am very happy with it. But the sputtering still happens. This last problem is KILLING me! I can't seem to figure it out. Now the sputtering occurs at high unloaded power (deck not engaged), especially when riding around on the sulky. You may have to register before you can post: click the register link above to proceed. 2017 Harley-Davidson SuperLow Review. 2016 m8000 sputters at high rpm Welcome to the SNOW and MUD. After hours of searching, 4 carb cleanings, new fuel pump, new fuel filter, new air filter, new spark plug, valve adjustment, one fuel tank cleaning, and lost count on the Coors Light, it runs like a top. It runs great at high RPM, and also starts easily and idles well, but in midrange under light throttle it just is a sputtering mess and sounds terrible. 3/4-full throttle: sputtering and VERY low power SOHC/4 Owners Club Forums But also, it has zero power above maybe 3500 rpmit just won't do much under load. Basically the sputtering at low rpm/speed is always there, but has gotten a bit worse over the few weeks since I bought the bike. 4 pounds) and it is equiped with a V2, four-stroke motor. The engine surges as I try to rev it up to 1000 pressing the pedal slowly as soon as engine speed hits one thousand, it revved all the way up to 1500 without further pressing the pedal. First, is the redline really 11000 or so? I replaced the air filter, plugs, cleaned fule filter. Sometimes its like the problems not there, then at the next stop sign, it does it all over again. I changed the inline fuel filter and checked the air filter. What is a damage franchise? Unfortunately we can not offer a full coverage insurance, so in most rentals you must deposit the amount specified in your "presentation voucher" , by. After installing the ignition coil it was "rev limiting" at about 4800 rpm's, so I went ahead and replaced everything else on the list below, now it doesn't. I'd hesitate to call it cutting out, just more like missing a beat from time to time. My thoughts about engine rpm and how lugging your motor too often can eventually cause problems for your bike. when I hit the gas she sputters a bit then starts to rev up but still with a sputter. Low speed maneuvers mean feathering the clutch, keeping the revs up and maybe adding a little rear brake drag. See specs, photos and pricing on Motorcycles at www. First off, I have replaced the EGR system on this, including the DPFE sensor. Re: truck sputtering at low RPM's. 4L, 5spd ~121k and 1 super novice wrencher with little know-how and a shallow wallet. 98 Honda Civic HX - Sputters when accelerating. Re SU needles -- The 3 screw round tops used on 72's came with N-58 needles in automatics and slightly richer N54's in 4 sp cars. So many possibilities of course, but again, start with the basics: Air/fuel/spark. The registration process requires you to activate your membership by following a link in an E-Mail that will be sent to you immediately upon completing this form. 5k then the engine smooths out. A stock Harley-Davidson has a limit of 5,500 revolutions per minute. 2007 FZ6 sputters at low idle If this is your first visit, be sure to check out the FAQ by clicking the link above. Do you want high-end performance or low-end torque? (You can’t have both. Check the EGR valve, it could have a broken spring causing the valve to flutter with the engines vacuum pulses instead of opening smoothly. I remember when I had my JD jetting kit on my old bike I would have terrible low-mid throttle sputtering until I played around with the clip. Could be simply bad fuel or water in the gas. My SL sedan is a '96, however, it had an engine swap done last year and the engine is a '97. Any suggestions? Next up is probably timing. I lost sight of her so I pulled over. Low speed maneuvers mean feathering the clutch, keeping the revs up and maybe adding a little rear brake drag. After about 15 mins she showed up and said her bike would not stay running. It is a pretty strong hesitation. ok guys getting very upset now cant figure out whats wrong with my car it was sputtering at low and high rpm and ive replace the coil pack,plugs (gapped to 28) and plug wires still sputtering mainly at low rpm's now tho. Re: truck sputtering at low RPM's. Hello! I would like to ask the gurus of jeep mechanics in this forum, for help on sum issues that I have on my mj. this issue for some reason does not pop up when pulling a log for the tuner despite the fact that 2500 rpm is kinda of low for 3rd gear start on a non twin scroll setup. The ride that starts here may never end… The SuperLow® motorcycle is everything its name implies. i put new gas in it, and another half bottle of seafoam. A normal engine should pull about 20 in-Hg. It's got a sputter at low rpms. oil is not going to drain out of the top of the motor and cause it to run dry while sitting at a stop light. Harley-Davidson is recalling certain Low Riders from model years 2014. It does this inconsistently. First time posting in the forum because there's still some small items I can not sort out on my own. At low rpm it will not accelerate and idles very roughly. It hesitates on take off and sputters until i go pass 3100. May be a new issue, maybe not. Bad Spark plus can cause a miss but if there bad enough to miss consistently they will more then likely miss fire all the time. motor does not break up or anything ,just sputtering or surging at lower rpms. The plug wires are fairly new and the plugs have only 50,000 miles (platinum). '96 Xplorer 300 Aftermarket CDI box, K&N filter, jet kit, reworked expansion chamber from dirt bike, 1" taller + 1" wider rear tires, dual wenches, Rack on rear/w cargo pac, polaris box on front, Mossy Oak cover on seat, back-up lights on rear, aux.