1997 Ford Aerostar tune up

1997 FORD AEROSTAR
79,000 MILES • 6 CYL • AWD • AUTOMATIC
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LADYBYRD6
  • MEMBER
  • 1 POST
went to get tune up and found out 2nd spark plug cylinder was bad, took car back in and was told ignition coil has to be replaced, i would like to know if this could have been tooken care of at the initial visit. also wanted to know if this is absolutely neccessary to turn off check engine light, stop my engine from shaking, and make my car run better.
Feb 22, 2009 at 12:28 AM
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MERLIN2021
  • ✓ASE Certified Mechanic
  • 17,250 POSTS
  • ASE Certified Mechanic
If the coils is causing the misfire, yes it can help, if the plug doesnt fire, you will notice a "Skip" in the engine.
Feb 22, 2009 at 7:17 AM
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