Y I HAD MY CAR HOOKED UP WHILE AT AUTO ZONE FOR ...

  • Tiny
  • Anonymous
  • 2000 Cadillac STS
  • 139,520 miles

Y I had my car hooked up while at auto zone for a sevice engine soon light and it came back saying it had a cylinder 4 misfire and I started bt checking the spark plug gap and coil pkug in which seem fine what is my next step to look for? Im hoping it isnt the ignition coil is there anywhere else I should check before replacing the ignition coil?

Friday, March 15th, 2013 AT 11:30 AM

1 Reply

  • Tiny
  • ASEMaster6371
  • Expert
  • 25,556 posts

Check compression first. Then the plug and coil. Looking at it is not a check.

Could be a vacuum leak, bad injector or wiring

Roy

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Friday, March 15th, 2013 AT 11:37 AM

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