1997 Mercury Grand Marquis quits every time I come to a stop light or stop sign

Asked by Nov 30, 2014 at 07:02 PM about the 1997 Mercury Grand Marquis 4 Dr GS Sedan

Question type: Maintenance & Repair

It will start again after it quits but have to turn it off and start up again, real problem in
traffic

3 Answers

9,770

Could be a vacuum leak in the vacuum assist braking diaphragm (if you have one) Start the car up and press the brake pedal ... if the car dies then look for a vacuum leak

68,455

Sounds like a bad IAC (Idle Air Control) valve or dirty throttle plates. HTH. -Jim

1,275

Besides the above IAC and throttle, clean your MAF sensor.

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