September I got the tighten fuel cap message (no check engine light) replaced cap (with factory replacement) still same. did my research evap canister was bad so I replaced the whole thing canister, purge valve, vent solenoid I changed it all cleaned lines went away until right before...
05 tahoe lt 4wd so about a month ago the tighten fuel cap message came across my message center. (No check engine light) fuel range was suffering bad it would go from 90 to empty on a 15 mile drive bad. went ahead and replaced cap with an ACDelco OE replacement same message. Did some research...
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