Question about 2002 Pontiac Grand Prix

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02 grand prix

I have no power . fuel pressure at 53 psi engine idles fine starts missing at 2800 rpm and bogs down in park any sugestions help

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Have you replaced the fuel filter if you have may have a problem with the exhaust being plugged if you haven't replaced fuel filter try that

Posted on Nov 09, 2008

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Posted on Jan 02, 2017

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What should the fuel pressure be at idle


Fuel pressure on idle? - evolutionm.net

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Jan 07, 2016 | Cars & Trucks

1 Answer

Why does my 02 grand Prix not have any power and bogs down won't go over 20mph but idle fine and smoot


ck your fuel filter ........ in extreme cases the fuel rail regulator or fuel pump will become damaged and not allow proper fuel pressure to occur ( limp mode) computer stores a fault code 4 this as well

Sep 17, 2015 | Cars & Trucks

1 Answer

After I replaced the fuel pump my 02 Suzuki xl7 dogs down when you accelerate quickly. if you let off the pedal and accelerate slowly it picks up fine. at idle it does have what seems to be a miss fire but...


so you ignore the hard DTC fails.
that is odd. why do that?
you do know a stuck open EGR cause most stalls and tip in
bogs, right?
a bad 02 if the front 02 , can cause too rich or too lean running
too rich fouls sparks, and too lean causes bogs.
but not accelerating as the 02 is dead then.
bad TPS can cause tip in bogs, in fact that is its #1 job.
called ENrich mode during acceleration.

not checking fuel pressure is bad service.,
the car must have 30 psi pressure at all times.
not 5 not 10 , or 20 or 60
30 (the FSM has the spec, for each engine , not stated)
if the fuel pressure is good, then forget the pump or regulator.
good means , at spec . not useless squirt tests....

the 4x4 cars have insensitive P0300 misfire detection due
to preventing offroad false misfires reported.
so most 4x4 drivers feel it first way, before P03xx happens.
this is normal, but not misfire.
why not post the real o2 code. there are many.
post them all. the real codes.
post here.
http://www.fixkick.com/bbs2/Suzuki-bbs/forumdisplay.php?fid=2

Aug 16, 2013 | Suzuki Grand Vitara Cars & Trucks

1 Answer

92 NISSAN WITH BOGGING AT 2800 3500 RPM AND AT LEVEL SPEED 4CYL AND 5 SPEED


For this types of problem,there are few help inks to troubleshoot the problem.Click the link below to go through the troubleshooting procedure to resolve the issues :----Idles rough and quits when gas pedal is pressed less? http://technoanswers.blogspot.in/2012/01/1999-ford-f-150-idles-rough-and-quits.html-----------van idles rough? http://howtobyme.blogspot.in/2012/01/2004-ford-freestar-van-idles-rough.html
--------------runs lean and idles rough? http://technoanswers.blogspot.in/2012/02/ford-runs-lean-and-idles-rough.html
-----------Car still runs Rough after tune up? http://howtobyme.blogspot.com/2011/12/car-still-runs-rough-after-tune-up.html
------------Idle flair is noticed on car? Rough idle? car will not idle? Erratic idle speed? http://technoanswers.blogspot.in/2012/02/idle-flair-is-noticed-on-car-rough-idle.html
----------High rpm in neutral? Inconsistant high RPM in neutral? http://technoanswers.blogspot.in/2012/02/high-rpm-in-neutral-inconsistant-high.html
------------Engine Backfires? http://technoanswers.blogspot.in/2012/02/jeep-backfires.html----------- Nissan stalls and bucks on Acceleration?

http://technoanswers.blogspot.in/2012/02/nissan-pathfinder-stalls-and-bucks-on.html

-----------
Nissan Pathfinder Backfires? http://technoanswers.blogspot.in/2012/02/nissan-pathfinder-backfires.html
---------How to adjust rpm? http://schematicsdiagram.blogspot.com/2011/12/how-to-adjust-rpm-on-2009-dodge-charger.html
------------Engine cuts out at 3000 RPM? http://schematicsdiagram.blogspot.com/2011/12/engine-cuts-out-at-3000-rpm.html
----------This will help.Thanks.

Feb 17, 2012 | 1992 Nissan Pickup

1 Answer

1997 grand prix very ruff idle no power changed cps and checked injetors and fuel pressure was 46-50 psi. have great spark to all cylinders


Rough idle and no power, it could be the mass air flow sensor, or even an intake leak (vacuum). Either one I would not put passed an engine of its age. I hope this helps point you in a helpful direction. Let me know how it goes and which motor you have as well.

Nov 06, 2010 | 1997 Pontiac Grand Prix

1 Answer

1991 pontiac trans am will start and idle but after 25-2800 rpm'


how about highway driving will it cruse at highway speeds and if you were to step down on it does it bog down ? and does it still have the cats on it ? just a thought..

Apr 28, 2009 | 1991 Pontiac Firebird

1 Answer

Fuel pressure


With the 3.1 engine: Ignition on 52-59 psi, at idle 42-56 psi. With the 3.8 engine: Ignition on 48-54, at idle 38-51. Let me know if your's is supercharged the specs maybe different.

Jan 23, 2009 | 2001 Pontiac Grand Am SE

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