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Maf sensor CODE, IN RUNNING IF PROMPT ACCELERATION THE ENGINE DON"T FIRE ITS JERKING, CAN ONLY RIDE IN SLOW POSITION EVERYTHING RUN GOOD

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What DTCs are set and what year and model is the bike???

Posted on Oct 16, 2014

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Posted on Jan 02, 2017

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1997 montero sr 3.5 L 4wd The truck has no acceleration. Slow start until 40 mph.


Check the cam position sensor and the crankshaft position sensor for loose connections or possibly a bad sensor. Run a diagnostic test to give you a better idea of which parts are faulty.

Dec 20, 2015 | 1997 Mitsubishi Montero

1 Answer

Problems with '05 GMC Sierra, Standard


Typically, a flashing light is more serious than a solid check-engine light. The flashing light is meant to alert you that you may have a misfire in your engine that will cause catalytic converter damage if you leave the problem unresolved. Replacing a catalytic converter can be costly, so have the engine checked as soon as possible by a certified mechanic.

Oct 03, 2017 | Cars & Trucks

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Jerking/jumping while driving


An automobile's ignition system may work fine while idling but fail during acceleration. Problem areas to be inspected include the spark plugs, spark plug wires and vacuum hoses. Car owners should look for spark plugs that are covered in oil or sediment or damaged, spark plug wires that have damaged insulation, and vacuum hoses that are unplugged or leaking. Fuel Problems
  • The use of a fuel additive that contains both fuel injector cleaner and water remover can fix minor problems due to water in the gas and fuel injector clogs. A fuel pressure gauge can also be used to test the injection system to assure proper pressure.
While most acceleration problems are likely caused by problems with the plugs, wires or fuel, a variety of sensors and other components can cause similar problems. a bad tps ( throttle position sensor ) will cause causes transmission shift issues, bucking, jerking, idle surging, engine cutoff, hesitation on takeoff, and surging while going down highway.
good-day ! check and or clean maf sensor if need be. you can by the maf sensor cleaner at most auto parts stores.

Mar 19, 2012 | Jeep Cars & Trucks

1 Answer

Jurking gas smell shifting hard little power when pulling heels


well, there are a few things you can try! a bad tps ( throttle position sensor ) transmission shift issues, bucking, jerking, idle surging,engine cutoff, hesitation on take off, surge while cruising down highway. also be sure your fuel filter is ok! and not plugging up. a maf sensor symtom is surge, slip condition under load, the mass air flow or MAF may be degraded or contaminated. stalling, misfiring, poor acceleration. a light may not come on. you can go to any auto parts store and buy a spray can of maf sensor cleaner. follow directions on can, and this should help alot. good-day!!

Aug 21, 2011 | Chevrolet Impala Cars & Trucks

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My car is jerking when im driving


this could be caused by a miss fire in the engine,fuel pressure/volume problem,a bad tps(throttle position sensor) sensor or other sensor problem.you may have to see if there is a code in the ecm(computer) that may help with finding the problem.you don`t say if there is a check engine light on.

Aug 10, 2011 | 1998 Isuzu Rodeo

2 Answers

While on vacation, our 2002 six cylinder automatic started acting up. With the gas pedal depressed for normal driving, the car started to "modulate" (the rpms would drop and race back up...


check to make sure airfilter is ok and maf sensor is clean. then check out tps ( throttle position sensor ), here are a few causes of a bad tps sensor--- transmission shift issues, bucking, jerking, idle surging, engine cutoff, hesitation on takeoff, surge while cruising down highway. if light on dash is on get it scanned to find problem code. most auto parts stores will do this for free. auto-zone etc. here are a few symtoms of a bad maf sensor-- surge, slip condition underload. the mass air flow sensor may be degraded or contaminated. stalling, misfiring, poor acceleration. ( a check engine light may not come on ). a lot of times just by cleaning maf sensor cures the problem. GOOD-LUCK!

May 08, 2011 | 2002 Hyundai Santa Fe

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I have a 00 pontiac grand prix gt and I dont know why my car hesitates when I am accelerating. Also I can feel and hear my engine bogging down like it wants to shut off esp when I am stopped or driving...


egr will only affect running at idle or slow speeds.under acceleration it can indicate poor tune-up components or even a partially plugged fuel filter not allowing enough fuel,or even a weak pump.a bad tps(throttle position sensor) can also act the same way,usually it will set a code,but not always.if it has a(maf) mass air flow sensor on this system it can cause the poor acceleration,again usually, but not always, will set a code in the computer.

Mar 17, 2011 | 2000 Pontiac Grand Prix

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2001 nissan sentra code po171


ok the fuel pressure is very good , and you replace maf sensor too,
i think 2 probable throubles, one , the catalyc converter clogged , to check remove exhaust pipe section before catalyc and run engine, its very loudness, other is tps fault, tps is throttle position sensor, located on acceleration body

Jul 30, 2010 | 1996 Nissan Sentra

2 Answers

My car has eratic idle and acceleration jerking. It is a 2005 landrover freelander with 52,000 miles. Automatic transmission with a 2.5L engine.


It could be a few things. The EGR, IAC, TP sensor, vacuum leak, MAF sensor, air filter, bad ground to engine. Is the engine light on? If so were any codes retreived from it? What have you done or looked at so far?

Jun 11, 2009 | 2004 Land Rover FreeLander

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Jerking Under Acceleration & Radio is effected when this happpen


check the battery ground wire for tight and clean on the engine
check both battery terminals are clean and tight
the problem is from a loose /broken wire that is moving when the engine reacts to load ( engine mount failure )
on some other makes it can be traced to the cam position or crank position wires broken or bare

Mar 21, 2017 | 2001 Ford Focus

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