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1997-2003 Pontiac Grand Prix Repair Forum

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Does a 1999 pontiac grand prix gt. 3.8 v6. fuel pump speed relay

unanswered 1997-2003 Pontiac Grand Prix 0 Answers

Kitty lynnet

Asked

Jan 13, 2026

asked Jan 13, 2026 by Kitty lynnet

1 Answer

Why is my vehicle not shifting pass third gear

1997-2003 Pontiac Grand Prix 1 Answer

Nick 101.6k

Answer edited

Jul 28, 2025

answer edited Jul 28, 2025 by Nick

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Why doesn't my sunroof only close to the.point where it must then go d

unanswered 1997-2003 Pontiac Grand Prix 0 Answers

PK1

Asked

Nov 27, 2023

asked Nov 27, 2023 by PK1

1 Answer

2002 Grand Prix sounds like rod knock

1997-2003 Pontiac Grand Prix 1 Answer

Mike 37

Answered

Aug 22, 2023

answered Aug 22, 2023 by Mike

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Loss of power and loud whistling noise when you push on the Excelerato

unanswered 1997-2003 Pontiac Grand Prix 0 Answers

Faye Henderson

Asked

Jun 2, 2023

asked Jun 2, 2023 by Faye Henderson

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Window switch on drivers door

unanswered 1997-2003 Pontiac Grand Prix 0 Answers

JimG4500

Asked

May 28, 2023

asked May 28, 2023 by JimG4500

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Need a full engine wiring diagram

unanswered 1997-2003 Pontiac Grand Prix 0 Answers

F Dryer 1.6k

Commented

May 27, 2023

commented May 27, 2023 by F Dryer

1 Answer

All the lights on dash come on but won't even turn over the battery is

1997-2003 Pontiac Grand Prix 1 Answer

Ken Litchfield

Answered

Nov 20, 2022

answered Nov 20, 2022 by Ken Litchfield

1 Answer

Why is only 1 of 3 ignition coils not working. I tested it with a 12v

1997-2003 Pontiac Grand Prix 1 Answer

Chris Green 38.2k

Answered

Jan 29, 2022

answered Jan 29, 2022 by Chris Green

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Does anyone have a PCM pinout diagram and information about testing it

unanswered 1997-2003 Pontiac Grand Prix 0 Answers

Richard Slothower

Commented

Apr 7, 2021

commented Apr 7, 2021 by Richard Slothower

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Engine fire 00 gap sc

unanswered 1997-2003 Pontiac Grand Prix 0 Answers

Melissa Grigsby

Asked

Mar 29, 2021

asked Mar 29, 2021 by Melissa Grigsby

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Why is my grand Prix, while driving, feel like it's being pulled backw

unanswered 1997-2003 Pontiac Grand Prix 0 Answers

Takoya Hewitt

Asked

Aug 6, 2020

asked Aug 6, 2020 by Takoya Hewitt

2 Answers

Why is my car trying to start on accessory

accepted 1997-2003 Pontiac Grand Prix 2 Answers

gj terrones

Unaccepted an answer

Jan 19, 2021

answer unaccepted Jan 19, 2021 by gj terrones

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1999 Grand Prix 3.1L Vin M cooling fan ground wire location

unanswered 1997-2003 Pontiac Grand Prix 0 Answers

MrCaprice 334

Asked

Oct 15, 2019

asked Oct 15, 2019 by MrCaprice 334

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Issue with mphs going to 0 while driving. Rpms go to 4

unanswered 1997-2003 Pontiac Grand Prix 0 Answers

Ash G

Asked

Jul 10, 2019

asked Jul 10, 2019 by Ash G

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Where the egr temp sensor

unanswered 1997-2003 Pontiac Grand Prix 0 Answers

Kevin sims

Asked

Dec 12, 2018

asked Dec 12, 2018 by Kevin sims

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RPMS jumping around or Low! Speedometer jumping! Car stalling!

unanswered 1997-2003 Pontiac Grand Prix 0 Answers

Jacqueline Norris

Asked

Dec 2, 2018

asked Dec 2, 2018 by Jacqueline Norris

1 Answer

How do I reset the service engine soon light on my 2002 Pontiac Grand

accepted 1997-2003 Pontiac Grand Prix 1 Answer

Eric Hall 11

Accepted an answer

Aug 30, 2018

answer accepted Aug 30, 2018 by Eric Hall

0 Answers

Lost all my keys. Replaced ignition lock and keys. How do I program newkeys

unanswered 1997-2003 Pontiac Grand Prix 0 Answers

Steven Caromano

Asked

Jul 26, 2018

asked Jul 26, 2018 by Steven Caromano

0 Answers

Why does one side of my car blow cold other side blows hot

unanswered 1997-2003 Pontiac Grand Prix 0 Answers

Kylan huffine 13

Asked

Jul 3, 2018

asked Jul 3, 2018 by Kylan huffine