Erratic idling

KBW

MEMBER
1998 PONTIAC GRAND AM
200,000 MILES

Erratic idling. Suspecting TPS. How do you change sensor. Or is this something the shop should do.

Tuesday, December 25th, 2012 AT 4:59 AM

1 Reply

ASEMASTER6371

MECHANIC
52,797 POSTS

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.

Roy

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