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GM Tech (Cam)
GM Tech (Cam), Pontiac Technician
Category: Pontiac
Satisfied Customers: 2373
Experience:  GM Grand Master Technician 2007. 14 years experience.
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QUESTION}i have a 2001 Pontiac grand am gt with a 3.4 v6.

Customer Question

QUESTION}i have a 2001 Pontiac grand am gt with a 3.4 v6. When I purchased I was reading a bad mad with my obd2 code reader replaced maf and as soon as I did that got a miss fire a cylinder 1. Bought new plugs wires and a coil and still has a miss fire on cylinder 1. When I pulled the plug I got a rotten gas smell and it was wet what should I do next and it fine when it cold but once get to normal temp it gets worse
Submitted: 9 months ago.
Category: Pontiac
Expert:  Ron replied 9 months ago.

Hello and thank you for your question,

Was it the #1 spark plug that was fuel fouled?

Have you ran a compression test on this cylinder?

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