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2000 Ford Mustang runs rough

Tiny
2CP-ARCHIVES
  • MEMBER
  • 2000 FORD MUSTANG
  • V8
  • 2WD
  • AUTOMATIC
  • 71,000 MILES
2000 Ford Mustang mileage 71,000. The service Engine light on. The car runs rough between 35-40 Miles per hour. “Lopes.” Code reader says EGR Flow Low. Replaced EGR vacuum regulator and EGR valve with no luck. A lot of black smoke in exhaust when under hard acceleration. The service engine light used to be intermittent but now it's always on. Ford did warranty work on this car at about 20,000 miles, and removed the intake manifold, and removed "fouling" from the interior of the manifold. Any suggestions?

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Tuesday, February 8th, 2011 AT 11:31 PM

1 Reply

Tiny
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  • MEMBER
  • 4,540 POSTS
Your problem may be a failing mass air-flow sensor or possibly oxygen sensors. Try temporarily unplugging the primarily oxygen sensors and test drive the car. If your problem persists, the mass air-flow sensor probably needs to be replaced
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Tuesday, February 8th, 2011 AT 11:32 PM

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