Question about 1990 Pontiac Sunbird

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Idle 1990 pontiac sunbird 2.0 ohc when idling goes up and down and eventually dies. put in drive or reverse will idle perfect, push on gas cuts out and is sluggish.

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  • 46 Answers

Check fuel pump

Posted on Apr 15, 2009


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1 Answer

No power when I push the gas


check for plugged exhaust system, dirty air filter, vacuum leaks, those have a mile of vacuum hoses. Also, check for bad fuel pump.

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What causes my 1996 poniac sunfireto stall out when it goes in reverse or drive?


Is the check engine light on when it is running ?
Can you press on the gas pedal and keep it running ?
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Dies when i put it in drive or reverse


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I have a 94 sunbird it keeps cutting out when stopped what could it be the fuel pump or fuel filter someone put a bad bottle of gasline to help clean the jets


if it stalls at or near idle do this.
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.

Nov 16, 2009 | 1994 Pontiac Sunbird

1 Answer

It dies when I hit the brakes, unless I put it in neutral, then dies when I put it in drive (its an automatic).


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.

Jun 10, 2009 | 1993 Pontiac Sunbird

3 Answers

Engine is missing and shaking bad when idleing or driving slow


MY CHECVY ASTRO 92 ,,STARTS FINE IT JUST SHAKES WHEN IN IDLES IN DRIVE OR REVERSE..HAVE NEW WIRES AND DISTIBUTOR

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99 pontaic grand am


sounds lie you might have an IAC valve problem

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1991 ford probe


duck tape on the air intake. I just fixed mine. There is a crack on the intake that lets too much air in when you put it in drive that makes the car stall. Try it it works.

Nov 23, 2008 | 1990 Ford Probe

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