Question about 1996 Pontiac Sunfire

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When its hot outside my 96 pontiac sunfire stalls. it starts right back up and stalls every few miles. i checked the iat and map sensors and they seem to be okay

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  • mpw4077 Jul 12, 2010

    So far this has solved the problem except it hasnt been as hot out lately as it was when it was stalling. Thursday 7/15 will be the test, supposed to be close to 90 degees

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I WANT U TO CLEAN THE IDLE AIR CONTROL VALVE AND THE THROTTLE VALVE AS OUTLINED IN THE FOLLOWING PROCEDURE, THEY GET GUMMED UP AND CAUSE THIS STALLING CONDITION.

I want you to get a can of intake cleaner (ABOUT $5.00) from any local auto parts store like NAPA or Carquest, do not use carburetor spray, intake cleaner only or u will damage the Teflon coating inside the throttle valve and air bypass valve, 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.

Posted on Jul 08, 2010

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RATE MY SOLUTION

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