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2003 Chevy S-10

Tiny
CHEVY66
  • MEMBER
  • 2003 CHEVROLET S-10
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 96,000 MILES
I REPLACED BOTH O2 SENSORS AND NOW IM GETTING A PO155 ERROR. HOW DO I FIX THIS PROBLEM?
Sunday, September 14th, 2008 AT 9:59 PM

3 Replies

Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
Should be a fuse for OXYSENS one of the old sensors may have shorted and blown it, should be in the underhood power center. If it is ok, you may need to take it to a shop to be put on a scanner so they can command them to work to see which one is th eproblem
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Monday, September 15th, 2008 AT 7:46 AM
Tiny
CHEVY66
  • MEMBER
  • 3 POSTS
Although the fuse looked ok, I replaced it and I haven't got that error. Thank you!
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Tuesday, September 16th, 2008 AT 6:39 PM
Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
Hopefully that was the problem
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Wednesday, September 17th, 2008 AT 7:48 AM

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