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Anonymous Posted on Jul 28, 2017

Windstar won't accelerate past 45MPH

My '99 Ford Windstar has been having numerous issues. At first, during cold weather, I have to preheat the vehicle for about 10 minutes before pulling out of the driveway. Secondly, somewhere between 45 and 50 the van's front end shakes a bit when I press on the accelerator, and again somewhere between 60 and 65. Most recently, the van won't push past 45 MPH anymore, and I can barely get to work. Any ideas?

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Lawrence Oravetz

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  • Ford Master 10,558 Answers
  • Posted on Jul 28, 2017
Lawrence Oravetz
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The engine computer is in the limp in mode. Have it tested. Sounds like you slung a wheel weight. Have your wheels balanced again.

Marvin

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  • Ford Master 85,242 Answers
  • Posted on Jul 28, 2017
Marvin
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1st have the engine control module scanned for fault codes and run a test called an engine running self test, next check the fuel pressure, it should be about 46 pounds under a load. If it low try replacing the fuel filter (located under the car on drivers side)

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5 Related Answers

emissionwiz

Marvin

  • 85242 Answers
  • Posted on Aug 01, 2008

SOURCE: car shudders at 40-55 MPH

How about the CV joint?? were they inspected for wear??

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Anonymous

  • 123 Answers
  • Posted on Jan 13, 2009

SOURCE: shaking when accelerating

Check the driveshafts/ Universal joints in the driveline.

Anonymous

  • 2 Answers
  • Posted on May 01, 2009

SOURCE: front end shakes when accelerating

The desciption you gave is exactly how it feels when you have an axle with a bad inner CV joint. It won't make a "clicking" noise like when you have a bad outer CV joint, but will shake pretty bad on accel. If you crawl under the car while it's on the ground (don't lift it) and grab on to the axle close to the inner CV joint and wiggle it, there shouldn't be very much play in it. If there is play in it, replace that axle.

Anonymous

  • 112 Answers
  • Posted on Jun 09, 2009

SOURCE: My 2001 volvo s40 shakes when I accelerate past 30 mph

it could be a motor mount check the condition of it or it can be that something with the suspension might need attention . . those things can cause vibration at certain speeds

kb8dns

Rod Wallberg

  • 494 Answers
  • Posted on Feb 21, 2010

SOURCE: 2006 Dodge Gr. Caravan. Loud humming noise upon

Misalignment of the belt, incorrect belt, worn or loose tensioner, Too tight of an adjustment (many service centers do this on purpose so when the belt breaks in it becomes properly adjusted, I do not believe in this philosophy), The belt is actually one long belt called a serpentine belt.....

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