Horrible Mileage......Keep getting check gas cap message.... - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 04-30-2008, 01:23 AM   #11
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could be. just not sure wha the effects of it not closing all the way could be...
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Old 05-08-2008, 05:56 PM   #12
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update:
after finding correct item to work on and clean

i cleaned up the vent back by driver rear tire area
in the process broke the solenoid up front for the canister purge while checking the lines. So, with a clean vent out back and a new solenoid up front now....no check gas cap message yet..... not sure which did it though!!
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Old 05-08-2008, 07:43 PM   #13
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In town driving I only get 350 km to the tank. 1.6 km to a mile. You do the math. :(
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