Surges or lunge

2000 FORD MUSTANG
20,000 MILES
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DEBBIEREDMOND50
  • MEMBER
  • 1 POST
My car has just recently started to lunge or surge will stopped. If you don't have your foot on brake good I'm afraid of hitting someone in the rear. What could be the problem? If it surges or lunges driving down the road I can't tell you. It's a convertible, so it's hard for me to hear a noise.
Nov 1, 2011 at 7:59 AM
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MERLIN2021
  • ✓Experienced Mechanic
  • 17,250 POSTS
has the air filter been changed yet? Also is the check engine light on or blinking? Surging can be caused by a vacuum leak, bad idle air control, bad throttle body, or bad mass air flow sensor.
Nov 1, 2011 at 8:31 AM
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