Well, the code was triggered because the computer couldn't communicate with the EVAP canister, due to the harness being sliced in half. (The harness carries the power, ground, and signal wires for the various components on the EVAP canister. A good analogy is spending a few days trying to figure out...

SOLVED - Damaged harness under the spare wheel, by the left rear strut. Had to remove a lot of plastic for access! This video brilliantly explains the evap canisister and system used in the Pontiac Vibe base manual 2005: https://www.youtube.com/watch?v=xubgil8NeYI To summarise: -The vent valve, fuel...

Hi Vibers, proud new owner of a '05 Vibe (Base, manual FWD)! The only problem is: It's throwing a P0453 code... These are the things I've been able to test: The PWM/VSV/purge solenoid in the engine bay with a 9v battery. Healthy click - all good The volts going to above valve. 12V - all good. I've m...