Car shuts off when I step on the break

Asked by Mar 16, 2019 at 06:49 PM about the 2002 Pontiac Grand Am

Question type: Maintenance & Repair

My Pontiac grand am will start but shuts off
when you step on the break.

1 Answer

3,965

Vacuum leak. Likely causes include ruptured brake booster, loose vacuum line (s), check valve. Have a look for cracked or loosened lines. Good Luck!

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