Question about 1999 Pontiac Firebird
For a few weeks when we pumped gas it took a long time to fill it up, now when I tried to fill the tank up, it would only take like 2 cents at a time, and then it would spit out gas. So I can't get my tank filled up with gas without wasting alot of gas coming out of the tank. What can we do, and how costly is it? Whenever I try to pump gas it just spit it back out..I'll get about 10 cents before it spits it out..what causes this and how can it be fixed?
Every gas tank has a vent tube, so when you fill the tank, air can escape, while the fuel is being pumped into the tank. Some vent tubes are metal, some rubber. Yours is either collapsed or plugged up. Look at the fill tube in the firebird and follow it from the gas cap to the tank, there should be a 2nd smaller tube that is your vent tube. Check to see if it's collapsed, pinched, or bent. This is definitely your problem. Check out this web site for pictures of different fill and vent tubes to get an idea of what to look for. Good luck let me know how you make out. Curt
Posted on May 07, 2009
Another option is the use an anti Splash back valve inside the fuel filler neck hose, See Instruction Here https://www.fillernecksupply.com/blog/how-to-stop-fuel-spit-back-and-overflow-at-the-gas-station-pump-nozzle/
Posted on Aug 15, 2018
There could be a number of things wrong, but it all has to do with fuel tank pressure. You may have an issue with the canister vent/evap solenoid. It is not allowing the vapors to vent into the intake which also helps with ignition. It is under your hood and connected between the fuel line and the intake. Could also be your purge solenoid, and sometimes, your purge canister. Replace your vent solenoid first, as it's easy to get to.
Posted on Oct 12, 2017
there is a breather pipe running long the filler pipe, if u look at the furl cap there should be a small hole that lets out air as u fill up, i think that this is blocked .
Posted on Feb 18, 2009
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