A car in need of a simple tuneup may stall under those conditions. Check your spark plugs, ignition wires, and make sure you don't have any vacuum leaks. Stepping on the brakes drops the available vacuum and can trigger stallout conditions if you already have low vacuum. Last but not least, a clogged air filter can reduce intake air and fuel levels to stallout levels.
1997 Pontiac Grand Prix 2 Dr GT Coupe
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Maintenance & Repair
Car wouldn't remain started. Replaced the battery and the car starts and can be driven ,but the engine light remains on.
1999 Pontiac Grand Prix 4 Dr GTP Supercharged Sedan
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Maintenance & Repair
my key is stuck in the ignition switch on my 2004 grand prix
Pontiac Grand Prix
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Maintenance & Repair
My car shakes when i hit my brakes could you please help me
2004 Pontiac Grand Prix GT1
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Maintenance & Repair
2002 Pontiac Grand Prix serpentine belt
2002 Pontiac Grand Prix GT
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Maintenance & Repair
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