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89' Grand Marquis

Tiny
RNADEAU0825
  • MEMBER
  • 1989 MERCURY MARQUIS
I have an 89' Grand Marquis LS runs great except for when i'm driving and let off the gas pedal the check engine light will come on and it will bog down and start to vibrate a little only last a few seconds or till I press the gas again usually pretty random but getting worse lately any input is much appreciated thank you
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Sunday, April 3rd, 2011 AT 7:06 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
https://www.2carpros.com/articles/service-engine-soon-or-check-engine-light-on-or-flashing

Have the computer scanned for code/s-you have a problem within the engine management system that caused the CEL to turn on-This is your starting point of diagnosis,finding out what's going on.
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Sunday, April 3rd, 2011 AT 7:29 AM

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