2008 chevy impala wont let gas flow through?

130

Asked by Jan 05, 2016 at 04:56 PM about the 2008 Chevrolet Impala LT

Question type: Maintenance & Repair

My impala for some reason will not let gas flow through. i go to pump gas and
it acts like it is topped out. constantly clicking off. my dad looked at it and blew
air through the gas line and said it wasnt clogged. any ideas?

5 Answers

67,285

Sounds like the vent valve in the gas tank is stuck closed. It's supposed to be open to allow gasoline funds to be pushed into the charcoal canister when fueling. HTH. -Jim

3 of 3 people found this helpful.
Best Answer
130

So how would I go about fixing that?

13 of 13 people found this helpful.
67,285

Thank you for the best answer click! I believe on your car it's part of the fuel pump assembly. The charcoal canister should be located behind the driver's side rear wheel. It's a black box with hoses and at least 1 electrical connector on it. HTH. -Jim

5 of 5 people found this helpful.

Same issue, replaced the solenoid completely, and tried to blow out the vent line which runs parallel to the fuel tank fill line. Found no clogs but fuel still doesn't vent correctly, causing the pumps to shut off every 30 cents worth of gas, urgh. Hoping I don't need the ball inside of tank to be replaced (to discourage syphoning gas) bc it may be stuck. Engine light came on when I replaced the solenoid...2 steps back, no forward progress...

10

I had the same problem with my 2003 Chevy Impala (3.4L). It constantly cut off at the pump or leaked gas back out onto the ground. I replaced 3 parts. I replaced the vent selinoid (approx $40), the vent canister (approx $65), and lastly the fuel pressure sensor (approx $45). As of now, it's been 20 minutes since I replaced the last part and the gas leak has stopped completely.

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