Question about 1998 Pontiac Grand Prix

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When filling up the gas tank of my 1998 Pontiac Grand Prix SE, it releabsed a few cups of gasoline from somewhere at the bottom of the car. I'm not sure why??? It hasn't leaked since.

It released the gasoline the moment the gas pump clicked to stop.

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  • 3 Answers

Do you have a smoke machine if so use that to tell u where the gas is comming from

Posted on May 23, 2014

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  • Expert
  • 79 Answers

Make sure that the gas pump is well inserted in the hall and could be also that it is liking in the very top of the fuel system so make sure the tank is not leaking at the bottom .
let me know!

Posted on May 13, 2014

  • Keep calm,tell me your problem and i solve it

    May be it was too much gas ! Around the gas hall there is another little small hall to let the gas that comes out from the pump by mistake or when is too much,may be that is what happened!

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  • Pontiac Master
  • 3,698 Answers

Both the fuel pump and gas gage sending units are located inside the tank. They are accessed by a plate and gasket on top of the fuel tank.
If the gasket leaks or the hoses leading to the vent leak, your condition would happen. Unfortunately to confirm the tank would have to be dropped(removed) which requires all the fuel to be removed first. Not a pleasant nor easy task.

Posted on May 13, 2014

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6ya6ya
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Posted on Jan 02, 2017

  • 2 Answers

SOURCE: 1991 pontiac grand prix se won't start

Probably need the computer reset. All these cars now days are set up for the dealer to screw you. The fix yourself is about history

Posted on Mar 16, 2009

  • 6 Answers

SOURCE: Trouble with alarm of Pontiac Grand Prix SE

I will assume your alarm system is factory installed, which makes it a passive system. This being said there has to be a "valet" switch for the alarm system. it will be one of two places, first check the obvious and look at the dash panel under the steering wheel, there might be a pushbutton kill switch there, or a rocker switch of sorts. If no luck there, the blinking status light that is on your dashboard might be the switch itself. Try "GENTLY" pushing it in. if it does push, the red light will start to double blink, this is normal. If neither of these solve it, call yoru local dealer and ask them where the switch is. Good Luck

Posted on Jun 10, 2009

kevinj650
  • 82 Answers

SOURCE: 2001 PONTIAC GRAND AM SE, WON'T CRANK,RAN MY GAS LOW

Sounds like air in fuel line. Purge fuel line. By "crank", do you mean engine spins but won't catch? Try starter fluid in intake.

Posted on Jul 10, 2009

  • 52 Answers

SOURCE: 1998 pontiac grand prix starter

disconnect the negative battery terminal first then disconnect the positive treminal so there are no accidents, raise the car safely go underneath & remove the starter cover should be 3 10mm bolts holding the cover on then remove the 2 through starter bolts 15mm then disconnect the + battery cvable from starter then disconnect the solenoid wire should be a 7 mm bolt. good luck

Posted on Sep 11, 2009

  • 6982 Answers

SOURCE: 1998 Grand Prix GTP windshield washer (full) not pumping fluid

Not difficult to remove inner fender liner (screws around wheel well opening and sometimes a few more)
Pump is available from most auto supply stores and easily installed in tank. Check power at the motor before removing it to make sure the motor is bad and the problem isn't somewhere else.(if no power there problem can be solved as easily as using a push button to get it powered up and as complicated as replacing the multi-function switch...pretty much your choice)

Posted on Jan 04, 2010

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1 Answer

I changed the starter and solenoid and replaced battriey but car still wont start have Power to everything, but will not turn over? what else could it be


do you have gas going to the motro, is there a buzzing noise in the gas tank when you turn the key. are there any codes. do you have spark to the spark plugs

Nov 09, 2012 | 1998 Pontiac Grand Prix

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You may have leakings fuel line on top of gas tank when filling up or line is leaking where they connect to fuel filter under body maybe behind rear wheel wells , or may have a leaking furl injector or even your carbon gas canister filtr need chaging or ovver filling can send fuel up to that canister which recirculates gas fumes back to fuel system check your gas cap maybe leaking or when gas attended over filling it runs down into drain tube

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Do I have to remove the gas tank to inspect/change the fuel pump on a 1991 pontiac grand prix?


Unfortunately, yes. It's a pain. I own a 1991 Pontiac grand prix SE 3.1L.

My fuel pump problem started when I ran out of gas (gas gauge was offset) Of course it shuts off w/o gas but it will more likely kill your fuel pump and clog the $#!t out of your filter.

If it makes a buzzing sound under the vehicle w/o the engine running, near the trunk area, replace it along with the filter.

Oct 12, 2011 | 1991 Pontiac Grand Prix

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How do i add coolant to 98 pontiac grand prix


most newer car fill the radiator thru a coolant tank in the engine compartment.it should have a screw on lid with a hose runnung to the radiator make sure the engine is cool before removing the lid and only fill it to the full cold line. dont forget to give me a vote if this helped you

Sep 18, 2010 | 1998 Pontiac Grand Prix

1 Answer

Need help to drain fule tank in grand prix


I had luck by removing the fuel filter under the car (located on the drivers side midway of the car) I needed to do this and when i unplugged the filter, gas started coming out, i started to put a cup but the cup started to get full so i just plugged up the line instead. This is just a thought, it might be dangerous, ( i dont know) but i would remove the fuel filter and connect the gas line to a tank or bottle or something, maybe run an extension away from the car and start to crank the car, forcing the fuel to leave the tank, that's just me thou. YOU DO WHAT YOU NEED TO DO, dont hold me responsible.

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2 Answers

1998 Grand Prix GTP windshield washer (full) not pumping fluid


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Jan 04, 2010 | 1998 Pontiac Grand Prix

1 Answer

Trying to locate parts on my 97 grand prix se


Starter is on the bottom front of the engine. Round with thick red wire going to amoung a few others.. When you take it off you will be able to see the flywheel..

Jul 06, 2009 | 1997 Pontiac Grand Prix

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Gas had moving from full to empty after i fill up


sending unit in tank may be shorting out or the wire to tank is shorting try removing plug connection and applying some electrical cleaner and plug in and remove 4 or 5 times to clean plug contacts they may be dirty worst case replace sending unit in tank.

Jul 01, 2009 | 1998 Pontiac Grand Prix

1 Answer

1998 Pontiac Grand Prix check engine light comes on and goes off randomly. What could be the problem


check the gas cap. there is a sensor somewhere in the gas tank that knows when the gas cap is loose or has a defective seal.

Jun 26, 2009 | 1998 Pontiac Grand Prix

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