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Posted on Sep 29, 2017
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Speedometer is going crazy

While I'm driving, the speedometer will move up and down causing the speed to slow down, and **** the van back and forth. it has even stayed at 0 when i'm stepping on the gas pedal. no acceleration, but the van is still moving, it just won't accelerate. Please help, i don't have alot of money to send it to a shop to diagnose it. Does anyone have any ideas?

1 Answer

robert conway

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  • Expert 58 Answers
  • Posted on Sep 29, 2017
robert conway
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Is the truck moving while all of this is going on?

4 Related Answers

Anonymous

  • 90 Answers
  • Posted on Jan 18, 2009

SOURCE: Sluggish slow acceleration

Check that transmission fluid if its an automatic, should be full and clean, if manual trans clutch probably slipping

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Anonymous

  • 6 Answers
  • Posted on Jun 19, 2009

SOURCE: speedometer when crazy

my 99 had a sensor go bad that had similar symptoms. sensor is in rear "pumpkin". mounted on top. $41 at autozone. look at dodge truck forum, do a search.

Anonymous

  • 5 Answers
  • Posted on Jun 20, 2009

SOURCE: 1995 Explorer conversion van won't accelerate

Sounds like you have a transmission problem, could be the valve body, or a bad band. I would check the fluid first it could be low. Just make sure the engine is warm, and the van is in park, then check the fluid.

Anonymous

  • 3 Answers
  • Posted on Jun 28, 2009

SOURCE: my 2000 gmc jimmy will move real slow put the

This problem could be as simple as a TPS (throttle position sensor). Some vehicles are now drive by wire. This means that there is no actual throttle cable. When the gas pedal is depressed, it sends a signal to the CPU and tells how far the pedal has been pushed. How many miles do you have on this? Sometimes a plugged catalytic converter can cause a vehicle to accellerate slowly and cause you to "butterfly" the pedal and make it hard to get over 60-70 MPH. Hope this gives you some ideas.

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My 05 Focus speedometer is wacky. All other gauges and systems work fine. The speedometer needle doesn't go to zero when vehicle stops moving.

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Abs light came on and speedometer went crazy all at same time! It say going 65mph when only going maybe 25mph. also van feels slow.

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When brakes are applied, the van some times keeps going.

Throttle Body Motor or TPS Sensor, in it.
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Could check-Accelerator Pedal Assembly Position Sensor
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Replace the speed sensor on the trans that will cause exactly what you describe is happening.
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