I JUST REPLACED HEAD GASKETS AND PLUGS AND COILS

  • Tiny
  • Anonymous
  • 2002 Jeep Grand Cherokee
  • 130,000 miles

I just replaced head gaskets and plugs, and coils. Now for some reason it has a hesitation when accelerating, plus idles rough when warms up. Im gettin codes for the primary/secondary coils, and misfire reading. But plugs and coils are new. All vaccums are hooked up and everythings plugged back in. Its got me totally puzzled. Its the 4.7

Sunday, April 7th, 2013 AT 6:44 PM

1 Reply

  • Tiny
  • freemba
  • Expert
  • 1,142 posts

Post the code numbers here and I'll try to get you info which will walk you through the procedures for checking the codes.

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Sunday, April 7th, 2013 AT 7:11 PM

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