High Idle
65

Asked by rockyGT Apr 19, 2011 at 07:46 AM about the 1985 Pontiac Fiero GT

Question type: Maintenance & Repair

My fiero developed a high idle problem, idle near 3k, I have checked for vacumn leaks, throddle body is ok and  have replaced the throddle position sensor, any help would be appreciated....thanks

3 Answers
65

rockyGT answered 13 years ago

As I found out, the problem with the fiero was a cracked egr tube at the plenum... thanks for the reply

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Armand answered 6 years ago

i am having the same problem idling near 2k and only going down to 1k after around 10 mins which is too long is it not? ive replaced everything dont know what else to do, maybe replace all the vacuum hoses?

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