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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Pontiac Technician
Category: Pontiac
Satisfied Customers: 2377
Experience:  GM Grand Master Technician 2007. 14 years experience.
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2006 Pontiac Grand Prix random misfire; replaced plugs,

Customer Question

2006 Pontiac Grand Prix random misfire; replaced plugs, wires, 2-5 coil; still not working; cruise control stopped working at the same time the misfire started; also getting muffled noise or nock with rough idle and acceleration; also very poor gas millage.
Submitted: 1 year ago.
Category: Pontiac
Expert:  Ron Z. replied 1 year ago.

So you replaced the 2-5 coil, and there is no spark coming from this coil?