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2001 Chevy 1500HD EFI Engine started sputtering as I slowed down for turn, lights dimmed back and forth with engine speed. Rough idle. I can pump the pedal and get the rpm up but it sputters again at acceleration and tries to die out. Now it will not start. Battery has life. EFI prime seems to sound different but not sure. Now the engine won't kick over.

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Have a load test done on the battery to check for failing cell. Check the drive belt condition and tension. check alternator out put. Everything you have mentioned indicates a lack of battery power. Check terminal condition and tension of the clamp bolts.

Posted on Feb 09, 2014

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Posted on Jan 02, 2017

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SOURCE: Rough idle, Car shakes, sputters and misfires upon acceleration

It sounds like you may have a problem feeding the fuel to your engine, I had the same problem with my 89 RS. All the 1989 model's fuel systems were recalled. I think you may need a new fuel pump. The fuel pump is located inside the gas tank in the rear of the car right under the rear axle. The fuel pump itself isn't too expensive, but with other small parts such as the electrical harness upgrade and fuel filter and the labor you should be looking somewhere in the $500 range. I hope this helps.

Posted on Jan 12, 2009

  • 12 Answers

SOURCE: rough idle / engine surges until power is applied

Sounds like a possible vaccume hose leak?

Posted on Feb 07, 2009

  • 1118 Answers

SOURCE: engine sputtered, then died. Towed home. I

Might be fuel pump, or filter is pluged up, best to chg. filter and then do a fuel pressure test.

Posted on May 03, 2009

  • 3 Answers

SOURCE: ENGINE SPUTTER AND DIES ON ACCELERATION

check your fuel filter, take an air compressor and blow air through the "in" end if no or little air is coming through then just replace the filter, if fuel filter is ok then try a fuel additive to clean your injectors which are a very common problem when the engine gets gunky build up on them

Posted on Feb 10, 2010

  • 10 Answers

SOURCE: Rough idle, sputtering, and backfiring.

try turning ur idle up its the pin on the throtle body just make sure u tuen the engine off and on again fter each adjustment to reset ur computer on ur engine

Posted on Apr 04, 2010

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2006 Suzuki forenza. sometimes it takes a long time turning engine over to start. when it does start, the tach revs up to 4 and won't slow down. when you shift the car into gear, it shuts off. when it is...


bad idle, and surges.
gets better, does that mean it idles at the correct regulated RPM
HOT? 800.?
and does the engine coolant hit 180 to 200 F and hold there.?
Sounds like the ISC valve is stuck open, clean it.
ISC means, idle speed controls.
also air leaks, vacuum leaks can do this on speed density, EFI.
Im not sure which EFI you have, too lazy to look that up.

which engine do you have, and what country, ?
as a mech, i open hood and look, on the net , i cant do that.
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this is caused by slow engine idle speed, do the procedure below.
Here is the common cause of surges, stalls at stops, slow idle speed, erratic idle speed, rough idle and engine hesitation (and other problems), it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion residue over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.



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IDLE PROBLEM


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