Quote:
Originally Posted by regalfriend
97 GS...164.000 miles....at 110.000 replaced plugs with iridium and new ignition wires...Now i think it mat be mis firing a little....Is 55,000 miles alot for a standard set of wires? I also think it could be a coil pack...I will scan tommorrow but dont have a ses light coming on...
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You may try changing them but if you replaced with a plug that has more than one point of spark like bosch plus 2 or something i would change those also and just replace them with standard acdelco. i have seen the different points on the plug melt off and damage the piston head and cylinder wall.