That was a very thorough and detailed explanation of the evap vent system operation and diagnosis. i have a similar problem as you had, p2422 and while refueling, nozzle would click off repeatedly. i will inspect the vent hose at the rear subframe side for obstructions.
repair is complete, the canister was plugged- no air came out when air was blown into the port where fuel tank vapor hose connects, also vent valve solenoid shorted, .2 ohms resistance. bought a used unit, tested good - air comes out easily. hope this helps someone out there. (2006 acura tl)
That was a very thorough and detailed explanation of the evap vent system operation and diagnosis.
i have a similar problem as you had, p2422 and while refueling, nozzle would click off repeatedly.
i will inspect the vent hose at the rear subframe side for obstructions.
repair is complete, the canister was plugged- no air came out when air was blown into the port where fuel tank
vapor hose connects, also vent valve solenoid shorted, .2 ohms resistance.
bought a used unit, tested good - air comes out easily. hope this helps someone out there. (2006 acura tl)
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Great video