Fuel system

Asked by Connie Jun 06, 2018 at 05:16 PM about the 1999 Pontiac Grand Prix 4 Dr SE Sedan

Question type: Maintenance & Repair

99 grand prix keeps kicking off the fuel pump when
I try to fill up.  What  should I do to fix this?

8 Answers

34,280

Usually behind wheel well cover next to fuel filler neck.

1 people found this helpful.
18,245

It's simpler than that. Just try angling the fuel nozzle in at a different angle and/or pump a bit slower. Mine does the same thing. Annoying, but perfectly normal. It's just the shape of the fuel filler neck going to the tank causing the fuel to back up a little as you pump.

1 people found this helpful.
18,245

Sure it is. Happens on lots of cars. The filler neck often makes a fairly sharp turn as it goes down into the tank. If the filler nozzle is positioned so the fuel is squirting against the side of the filler neck instead of directly down the pipe it will back up and cause the nozzle to shut off. Simply adjusting the angle of the nozzle so it directs the fuel directly down the filler pipe will solve the problem. Both my Grand Prix and my Cobalt are sensitive to that. And besides, what could possibly be plugging the tank vent? There's nothing but air that ever goes through it.

2 people found this helpful.
34,280

what can plug it?? Spiders and the web,seen it hundreds of times in my career,spiders love fuel.

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