Check engine light on. Will not idle properly, how do I fix it?

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I had the air conditioning unit professionally replaced the whole entire system ever since the engine will not properly Idol especially when the AC is on sometimes the throttle is real jerky the diagnostic system and check engine light says that there is a wiring issue I already clean the throttle body change the fuel filter did a full tune up and still did not fix the problem what should I do next?

Rheef777 in Pensacola FL

Jul 7, 2015

What are the best Pontiac repair shops?

RepairPal Certified shops can diagnose and repair your 1992 Pontiac Firebird. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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What is your question?

Check engine light on. Will not idle properly, how do I fix it?

What is your question?

Rheef777 in Pensacola FL

Jul 7, 2015

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What are the best Pontiac repair shops?

RepairPal Certified shops can diagnose and repair your 1992 Pontiac Firebird. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.