ENGINE SURGES OCCASIONALLY WHEN STOPPED AT A ...

2003 Chevrolet Cavalier

Tiny

siark

December, 4, 2012 AT 5:27 PM

Engine surges occasionally when stopped at a light.

Andy

FOUND 1350 RELATED QUESTIONS

93 F150 Hesitates/surges

35 ANSWERS
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Engine Surging

13 ANSWERS

6 Answers

Tiny

saturntech9

December, 4, 2012 AT 7:13 PM

Any codes?Have you tried cleaning the idle air control valve?Or looking for vacuum leaks?

Tiny

siark

December, 4, 2012 AT 8:47 PM

No codes. Cleaned iac valve & throttle valve. Checked for vacuum leaks w/ soapy water.

Tiny

saturntech9

December, 4, 2012 AT 9:06 PM

You can't look for vacuum leaks with soapy water because vacuum is the absence of pressure and wont blow bubbles. The way I check for leaks is with some carb spray spraying it around at idle and watch for a rise in or fall in rpms stumbling or dying.

Tiny

homer1967

December, 5, 2012 AT 1:45 AM

There are so many things that could cause a surge. If you have no codes and no vacum leaks I would have to suggest that you take it to a shop for diagnosis. You don't want to waste any money on uneeded parts. There are dozens of things that could cause your issue.

Tiny

siark

December, 5, 2012 AT 9:44 PM

One last thing-can you tell me how many vacuum hoses there are, and where exactly they're located (it's a 2.2 litre manual). Maybe I missed one.

Thanks

Tiny

homer1967

December, 6, 2012 AT 2:18 AM

No I can not pull up vacum diagrams.

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