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2001 Buick Lesabre MY CAR SAYS LOSE GAS CAP /CHECK ENGINE L

Tiny
CLEARHOADS
  • MEMBER
  • 2001 BUICK LESABRE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 37,000 MILES
I GOT A LOSE GAS CAP AND I WENT AND BOUGHT A NEWONE AND THE MESSAGE LOSE CAP AND NOW SERVICE ENG LIGHT IS ON.
Sunday, November 23rd, 2008 AT 1:24 PM

2 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,192 POSTS
Hi:
My guess is the evap system set a code. Have the computer scanned at a nationally recognized parts store. They will most likely do it for free. Let me know what code they find.

Joe
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Sunday, November 23rd, 2008 AT 8:48 PM
Tiny
DENNYP
  • MECHANIC
  • 1,823 POSTS
You are probably going to find a P0442 code. You need to make sure the gas cap seals good. If it does, you will need to have the system pressure tested at a shop that has the proper test equipment.
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Monday, November 24th, 2008 AT 7:06 PM

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