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2005 Chevy Trailblazer Engine Light

Tiny
AUZYWAUZY
  • MEMBER
  • 2005 CHEVROLET TRAILBLAZER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 79,000 MILES
My check engine light has been on, and we were told it was just a sensor but was no big deal but my car won't pass emission and need to know if that has anything to do with it. Should I just replace the sensor and hope that fixes the problem? I am not a car person AT ALL so I'm hoping that someone here can help me so I don't have to pay $85 just to have someone tell me what the problem is. Please help, and thank you!
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Thursday, April 1st, 2010 AT 11:51 PM

2 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Changing the sensor wil help but you need the code erased and if you have a pro do it he will do all of that. Then get your oil and filter changed, drive the car/truck about 15 miles on teh eway before the test and you shol dpass with flying colors. But you wlill have to get the sensor fixed and codes erased.
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Thursday, April 15th, 2010 AT 5:13 PM
Tiny
RAZERBACK
  • MEMBER
  • 15 POSTS
Watch for sales at the auto parts stores for a rerader
got mine at auto zone for 47.00 it tells codes number and will erease codes it has helped me a lot with my trailblazer got the manual from same place to work on it. Actron cp9125 obd 11 pocket scan
it was on sale watch for it on sale somewhere.
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Tuesday, May 4th, 2010 AT 10:02 AM

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