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RE: Gas Cap

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Chevrolet Forum >> Chevy Trucks, Vans & SUV's >> Silverado >> RE: Gas Cap Page: <<   < prev  1 [2]
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RE: Gas Cap - 5/13/2008 3:06:16 PM   
ZX1100F1


Posts: 2429
Joined: 8/1/2006
Status: offline
Shawn,
Not really an evolution, the message "TIGHTEN GAS CAP" will display if the tank fails the pressure test even if it is caused by a faulty sensor or seal, but that is very rare, 99.9% of the time it is a loose gas cap.

The DIC message came about due to the fact that a vast majority of the SES lights triggered were caused by loose gas caps; GM engineers came up with this message to save customers a trip to the dealership only to be told the gas cap was not tight.


(in reply to ax7221)
Post #: 11
RE: Gas Cap - 5/15/2008 2:18:41 PM   
shawnvw

 

Posts: 1254
Joined: 1/18/2008
Status: online
right on.....so just a customer friendly version of the ses light

(in reply to ZX1100F1)
Post #: 12
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