Question about 1997 Pontiac Grand Prix

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I have a 1997 grand prix gtp.it has been misfiring for the past few weeks. i had it scanned and it said #6 is misfiring. i have changed the plug, plug wire, coil pack, and injector and it is still missing. when i give it any throttle it completely dies down. i have to be very easy on the throttle to get it to go. CAN ANYONE HELP? PLEASE

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  • Pontiac Master
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Before you replace anything else hook up a scanner check it for codes, if it still has a number six misfire code and that code only, then yes check compression and fuel pressure

Posted on Oct 30, 2015

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  • Pontiac Master
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If as soon you give gas it dies i would check the gas pressure it should be about 50 psi if it good check the compression on that cylinder thats a start let me no

Posted on Mar 04, 2009

  • raynacook Jul 31, 2011

    Same problem, but with #3...i also replaced all of the above and the cylinder does have good compression....???? any ideas???

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1 Answer

I want to install a GFORCE chip. I have a 2004 Pontiac G-Prix GTP. The MAF/IAT plug has 6 wires. Which 2 go to the sensor? Color on wires is good so color code no problem. Thanks, JOE


This will not work.

There are no electronic chips in existence that are designed for use with any model of GTP.

If you would like to work with electronics only for performance changes you need to either reprogram your PCM yourself or purchase one that is pre-programmed to be compatible with your GTP.

However, the good news is that you still have a few options, depending of course on the current set up of your GTP.

Regarding that I highly recommend that the only source you visit is http://www.zzperformance.com/grand_prix/products.php?id=107

Apr 04, 2011 | 2004 Pontiac Grand Prix

1 Answer

2000 Grand Prix GTP supercharger fluctuates when accelerating


There is no wastegate.

Change the spark plugs and pay special attention to the plug on bank 3. Look for physical damage on the electrode...cracked, bent etc.
Use Autolite 605's copper core gapped to .055" and NEVER run less than 92 octane.

Apr 02, 2010 | 2000 Pontiac Grand Prix

1 Answer

Whats the firing order for a 94 grand prix gtp for the spark plug wires i thought it was 315 426


1994 Pontiac Grand Prix 3.4 liter DOHC V-6 VIN "X"

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1994 Pontiac Grand Prix 3.1 liter V-6 VIN "M"

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Hope this helped; TY for using Fixya (remember rated and comment this).

Apr 01, 2010 | 1994 Pontiac Grand Prix

3 Answers

I have a 97 grand prix gtp that will start but wont hold an idl


bad fuel pump.- just replace it and your good to go!

Feb 21, 2010 | 1997 Pontiac Grand Prix

2 Answers

Computor shows random misfire, 2004 pontiac gran prix


You may have a jacked up wire... or plug...this happen to me on my 2004 grand prix gtp 2 times...1 time one of my plugs was cracked the 2nd time my plug wire was laying on dip stick and started to melt....each time after replacing the plug and the wire it stopped misfiring...

Jan 04, 2010 | 2004 Pontiac Grand Prix

2 Answers

Check engine light stays and blinks on a 2005 pontiac grand prix gtp and it also has vibrations as u drive


Sounds like it is misfiring.
Try changing the spark plugs and you MUST run premium fuel.

Dec 27, 2009 | 2005 Pontiac Grand Prix

1 Answer

03 grand prix mis fire codes


It may need a "CASE learn."

Dec 21, 2009 | 2003 Pontiac Grand Prix

2 Answers

1997 grand prix gtp starter location


at rear bottom of engine, u must change it from the bottom. Make sure the battery is disconnected before u start work.

Jan 15, 2009 | 1997 Pontiac Grand Prix

2 Answers

1997 GRAND PRIX GTP TURNING OVER BUT NOT STARTING EVERY TIME


check the fuel pump and lines. look for the fuel filter and see how much junk is in it.

Sep 15, 2008 | 2004 Pontiac Grand Prix

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