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Tiny
MAILIBU1955
  • MEMBER
  • 2006 CHEVROLET IMPALA
  • 50,100 MILES
My 2006 Chev. Impala LTZ with a 3.9 engine has a hard check engine light. My OBD2 reader repeatedly shows ERROR. My dash info. Message sometimes displays Tighten Gas Cap. The gas cap has been replaced. Please help, thanks, Bob
Saturday, February 4th, 2012 AT 5:02 PM

14 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
So will your code reader power up off the obd2 connector?
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Sunday, February 5th, 2012 AT 5:10 PM
Tiny
MAILIBU1955
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I'm not completely sure what you mean. My code reader is a Actron, it tells me what the codes are with brief explanation of its meaning. Thanks, Bob
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Sunday, February 5th, 2012 AT 10:36 PM
Tiny
SATURNTECH9
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So when you plug the code reader in it turns on by itself?It just wont talk to the car?
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Monday, February 6th, 2012 AT 1:46 AM
Tiny
MAILIBU1955
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  • 76 POSTS
It does turn on when I plug it in. It normally gives a code with brief explanation. In case it repeatedly list error. With the dash info. About the gas cap I wonder if I have fuel vent leak? Thanks, Bob
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Tuesday, February 7th, 2012 AT 12:57 AM
Tiny
SATURNTECH9
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If its saying to check the gas cap then there is some kind of evap leak somewhere. Just need a code to start with?
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Tuesday, February 7th, 2012 AT 2:00 AM
Tiny
MAILIBU1955
  • MEMBER
  • 76 POSTS
Are the evap. Canister in this model found to be bad often?
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Tuesday, February 7th, 2012 AT 9:28 PM
Tiny
SATURNTECH9
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It at all depends on the code numbers you have. Have seen evap canister purge solenoids stick open causing codes.
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Wednesday, February 8th, 2012 AT 4:45 AM
Tiny
MAILIBU1955
  • MEMBER
  • 76 POSTS
I'll do some more home work. Thanks for your input.I have another question, where is the module for the remote control entry etc. Located for this model car?Hope you will help. Thanks, Bob
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Wednesday, February 8th, 2012 AT 10:19 PM
Tiny
SATURNTECH9
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I will check for you the keyless entry is controled by the body control module. There usually by the glove box.
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Wednesday, February 8th, 2012 AT 10:55 PM
Tiny
MAILIBU1955
  • MEMBER
  • 76 POSTS
I thought the ECM was located there?
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Thursday, February 9th, 2012 AT 10:39 PM
Tiny
SATURNTECH9
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The ecm is located inside the air cleaner assembly. The bcm is left side of the steering column.
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Sunday, February 12th, 2012 AT 5:37 AM
Tiny
MAILIBU1955
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Thanks for your help. Bob
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Monday, February 13th, 2012 AT 12:00 AM
Tiny
SATURNTECH9
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Your welcome thats what were here for.
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Monday, February 13th, 2012 AT 2:17 AM
Tiny
CHEVYFORLIFE
  • MECHANIC
  • 33 POSTS
The keyless entry is in the remote control door lock reciver. Which is located on the back shelf
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Monday, February 13th, 2012 AT 3:18 AM

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