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Engine error PO449 2007 Grand Prix GT - Cars & Trucks

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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mosthated357
  • 91 Answers

SOURCE: how to reset the "service engine soon" light on a 2001 pontiac grand prix gt

you can go to advance auto and use there scanner for free to clear the code its called an obd2 connection or when you disconnect your battery you can touch your black negative cable to your red positive cable that connects to the battery and it will completley drain everything and reset but warning you if your trying to get the car through emissions your gonna have to drive the car 50 or 100 miles after you disconnect the battery each time..

Posted on Sep 30, 2008

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SOURCE: Changed thermostat, grand prix gt, check engine light still on?!?

check evap vent solenoid alot stick on these cars.

Posted on Jan 13, 2009

davidg65
  • 26 Answers

SOURCE: 2002 Pontiac Grand Prix Thermostat

as you face the engine the thermostat bell is on the right (drivers side) Follow the radiatoe hose. Remove the two bolts and raise the bell still attatched to the hose. the thermostat is there with the rubber seal. You can gently pry the thermostat out with a screwdriver or something similar. Put in new thermostat be sure it is the same as the old one, and then replace or change the seal (be sure it is the smae size and thickness as the old one as I got the wrong size from Napa) Then replace the bell, and tighten, but not over tighten. I hope this helps!

Posted on Jan 31, 2009

  • 1 Answer

SOURCE: LOOKING FOR A FUSE BOX DIAGRAM FOR 2004 PONTIAC GRAND PRIX GT

It's under the hood, on the driver's side, under a square, black box with a lightning symbol on it. Loosen the flower-shaped screw that holds the lid of the box down, remove the lid, flip it upside down and when you look at the inside of the lid, you'll see a map of all your car's fuses. There's also a fuse diagram on the very end of the dash, but it's accessible only when you open the driver's side door. When you're driving, that end of the dash is blocked by the closed door.

Posted on Jul 01, 2009

motor1258
  • 6674 Answers

SOURCE: spark plug gap for 2005 pontiac grand prix gt 3.8

.060 thousandths of an inch.

Posted on Nov 19, 2009

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1 Answer

Will the motor and tranny from a 1998 pontiac grand prix GT 2 door coupe 3.8L motor fit in a 1998 pontiac grand prix GTP supercharged 3.8l motor


everything will cross over but the engine and transmission in the gtp are suppose be heavier duty built

Mar 02, 2015 | Pontiac Cars & Trucks

1 Answer

How do you change the coil pack on a 2006 pontiac grand prix?


The answer to that question is TOTALLY different depending on which engine your Gran Prix is equipped with. The choices are:

> V6-3.8L VIN 2
> V8-5.3L VIN C
> V6-3.8L SC VIN 4

This is really must know information - especially if you are asking somebody for help with your engine, engine accessories, or engine control systems.

Sep 22, 2011 | 2006 Pontiac Grand Prix

1 Answer

What is 2004 grand prix gt 3.8 engine head torque table


Go to autozone.com create a free account put in you cars model year etc... then look at the free manual for replacing head gasket it will have a bolt tightening sequence diagram. also they usually have to be taken off in a paticular sequemnce to avoid warping the head. If aluminum heads they usually recommend new head bolt set and having the head shaved (Leveled)

Jul 13, 2010 | 2004 Pontiac Grand Prix

1 Answer

2003 Pontiac Gran Prix GT 3.8L Thermostat replacement


Yes. Remove the housing (not the hose) and you'll find the thermostat.

Jul 08, 2010 | 2003 Pontiac Grand Prix

1 Answer

What kind of motor does a Pontiac Grand Prix have?


Depends on what sub-model you have. If you have an SE its a 3100 3.1L Engine. If its a GT its a 3800 3.8L Engine. If its a GTP its a 3800 3.8L but with a supercharger.

May 12, 2010 | 1997 Pontiac Grand Prix

2 Answers

2000 pontiac grand prix gt , transmission bucks when shifting from 2nd to 3rd


I have a 2000 Grand Prix 3.8
the transmission shifts fine till it gets hot then it starts shifting hard into gears can anyone tell me what might be causing this.

May 13, 2010 | 2000 Pontiac Grand Prix

1 Answer

1999 grand prix gt 3.8v 6 error codes 300 and 302


The PO300 code is random/multiple cylinder misfire detected. Sinsc you have the code PO302, that means that cylinder 2 is the one misfiring, usually a bad coil pack, or spark plug.

May 12, 2010 | 1999 Pontiac Grand Prix

3 Answers

I have a 2004 grand prix gt and sometimes on start it stalls


Take your car to a dealer and tell them to "clean the throttle body" Known problem for this year. It will solve your issue.

Nov 01, 2009 | 2004 Pontiac Grand Prix

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