Having problems with your 1997 GMC Jimmy ?
Changed plugs wier roter and cap still number 3 plug misfires
Well i would double check the plug we all know these are a pain in the **** to put plugs in it possible that one got cracked. Also have you ever replaced the intake gaskets ? or any fuel in jection parts ? regulator or popets/injectors
Repair Help & Product Troubleshooting for 1997 GMC Jimmy
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