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1998 PONTIAC GRAND AM
Erratic idling. Suspecting TPS. How do you change sensor. Or is this something the shop should do.
have the same problem?
Tuesday, December 25th, 2012 AT 4:59 AM
Tps is not your issue. Do not guess or throw parts at it. Get it properly diaged and get a pin point failure.
Could be vacuum leak which is common.
You provided no engine size so I generalized.
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Tuesday, December 25th, 2012 AT 5:28 AM
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