Pontiac Grand Prix P Codes (Powertrain) P0300 - P0399

Browse Pontiac Grand Prix P Codes (Powertrain) P0300 - P0399 questions and answers. Choose a question that matches your symptoms.

4 discussions

Popping Noise When Accelerating And Braking, Code...

2002 PONTIAC GRAND PRIX

There Is A Popping Noise I Hear Every Time I Brake Or Accelerate. It Has Been Popping A Couple Months Now. I Just Want To Know What It Is So...

6 ANSWERS

2 IMAGES

Asked by settergrenh

2001 PONTIAC GRAND PRIX

I Had A P0301 Code With A 1st Cylinder Misfire Come Up On My 01 Pontiac Grand Prix Gtp. It Was Sputtering, Had A Loss Of Power, Motor Shake...

11 ANSWERS

2 IMAGES

Asked by DragRacingChick

2001 PONTIAC GRAND PRIX

My First Question Pertains To The Check Engine Light. When I Scan It, The Code P1404 Comes Up, Which Is An Egr Valve Code. I Replaced The...

2 ANSWERS

1 IMAGE

Asked by precilla

2000 PONTIAC GRAND PRIX

Grand Prix Gtp Supercharged Read A Code Of Po300. I Put 87 Octane Will This Trigger This Code.

7 ANSWERS

Asked by jiquilpeno

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