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What type of scan tool do I need to check the.

Tiny
DEVELOPER7
  • MECHANIC
  • 1992 GMC SIERRA
  • 300,000 MILES
What type of scan tool do I need to check the codes on my truck? I have a check engine light on and I am getting poor gas mileage. I know that it is an older truck but it has run great.
Thursday, November 1st, 2012 AT 8:17 PM

2 Replies

Tiny
THIS IS MIKE
  • MECHANIC
  • 686 POSTS
You will need an OBD1 scan tool. Once your computer detected a trouble code it sets the check engine light and will run in a limp mode until you replace the sensor or part that has failed. Your truck will still run but not efficiently.
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Thursday, November 1st, 2012 AT 8:23 PM
Tiny
CADIEMAN
  • MECHANIC
  • 3,544 POSTS
Go to the parts store most will ckeck your codes. Than come back. Gl
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Thursday, November 1st, 2012 AT 9:07 PM

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