fuel issues

Asked by Feb 04, 2015 at 06:03 PM about the 1998 Pontiac Grand Prix 2 Dr GTP Supercharged Coupe

Question type: Maintenance & Repair

i have replaced the fuel pump fuel pump relay,fuel pressure regulator, and fuel filter but  
am not getting any fuel pressure at the fuel rail. if i remove the lines from the fuel pump
and there is no pressure. where do i go from there? i have replaced the pump two times
now.

1 Answer

565

Check the oil sending unit, or oil pump.. Make sure the fuel pump works with direct power. If it does, then the sending unit may be the problem. It is a safety feature to ensure fuel stops when there is no oil pressure

Your Answer

Add photo

Related Questions

  • exhaust/ fuel issue I am stumped! 10 answers

    2003 Grand Prix GT. It ran completely fine one day and the next I woke up to hard chugging and the Catalytic Converter needing to be replaced and a blinking service engine light. The cat was immedia...

    2003 Pontiac Grand Prix GT

    -

    Maintenance & Repair

  • fuel smell, losing fuel, car dies going down rd with no warning, will start back up then acts as if running out of fuel regardless of amount of fuel... 2 answers

    Will O2 Sensor cause fuel smell, bad gas mileage, car not to take fuel at gas pump...major fuel issues please help

    2005 Pontiac Grand Prix Base

    -

    Maintenance & Repair

  • Maybe fuel 1 answer

    I had a code read mas airflow sensor so I replaced it but my car still acts like it looses fuel power and rpms after 20mph then it drives great I can't seem to figure this issue out any ideas ?

    2004 Pontiac Grand Prix GT1

    -

    Maintenance & Repair

  • Compression issues & black smoke on start up 2 answers

    Ok I just had my 92 grand prix 3.1 engine rebuilt. But...it's not running right! It's a long story so stay with me. First it sounded like a drag racer when it got started. Then a cylinder had bad ...

    1992 Pontiac Grand Prix

    -

    Maintenance & Repair

  • fuel issue on 88 firebird 2 answers

    i have fuel issue my car will run and drive but cuts out like its not getting fuel.ive replacede the fuel pump fuel filter anf fuel pump relay but it still is doing the same thing it just cuts outany ...

    1988 Pontiac Firebird

    -

    Maintenance & Repair

Search Pontiac Grand Prix Questions

Pontiac Grand Prix Experts

#1 Js08016
Js08016
Reputation 3,980
#2 Tom Demyan
Tom Demyan
Reputation 2,660
#3 munron
munron
Reputation 2,070
View All

Related Models For Sale

Used Pontiac Bonneville
6 Great Deals out of 674 listings starting at $1,599
Used Chevrolet Monte Carlo
12 Great Deals out of 1,692 listings starting at $2,300
Used Pontiac Grand Am
1,665 listings starting at $1,995
Used Chevrolet Malibu
1,075 Great Deals out of 85,119 listings starting at $1,995
Used Chevrolet Camaro
306 Great Deals out of 38,867 listings starting at $1,250
Used Jeep Grand Cherokee
883 Great Deals out of 69,215 listings starting at $1,300
Used Ford Mustang
396 Great Deals out of 44,403 listings starting at $1,000
Used Honda Accord
883 Great Deals out of 82,090 listings starting at $999
Used Nissan Maxima
359 Great Deals out of 25,313 listings starting at $1,400

Used Cars For Sale

2008 Pontiac Grand Prix For Sale
14 Great Deals out of 472 listings starting at $1,200
2007 Pontiac Grand Prix For Sale
3 Great Deals out of 536 listings starting at $2,000
2006 Pontiac Grand Prix For Sale
8 Great Deals out of 633 listings starting at $1,999
2005 Pontiac Grand Prix For Sale
438 listings starting at $5,900