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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 15181
Experience:  GM Grand Master Technician 2007. 14 years experience.
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After much expense at a nation wide full service department

Customer Question

After much expense at a nation wide full service department $700.00, my check engine still come on. We have replaced the gas cap too. After the service and recent the "check engine light" fix. The check gas cap light will come on and then a few moments later the check engine light come on and stays on. 2006 Uplander LF (Tune up wires filter etc.)
Submitted: 11 months ago.
Category: Chevy
Customer: replied 11 months ago.
PS PB, front and rear air
Expert:  Gary replied 11 months ago.

do you happen to know the code or code numbers of the codes that are triggering the light ?

or the code numbers it is setting ?

Customer: replied 11 months ago.
God I wish I did.
It takes a few days for the IDIOT lights to come on.
Expert:  Gary replied 11 months ago.

are you near a Pep Boys or Auto Zone or a store chain like that ?

Customer: replied 11 months ago.
Went to firestone for the work and they suggested a new filler cap and the old Vaseline around the cap trick.
Expert:  Gary replied 11 months ago.

can you have them pull the codes set for you ?

they will do it for free and tell you the code numbers

does it have a new gas cap ?

Customer: replied 11 months ago.
Worked for a few days and passed the smog. New gas cap. Service done approx. one month ago.
Customer: replied 11 months ago.
Calling them now.
Expert:  Gary replied 11 months ago.

ok let me know the code numbers set

Customer: replied 11 months ago.
Pos. Crank Valve code.
Expert:  Gary replied 11 months ago.

what is the code number ?

and only one code it is setting ?

Customer: replied 11 months ago.
Tell you what, let me take it back to them in the AM @ 0700 and get back w/u tomorrow. (sigh)
Expert:  Gary replied 11 months ago.

wounds great

Customer: replied 11 months ago.
ouch! later.
Expert:  Gary replied 11 months ago.

ok let me know tomorrow