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. What can cause this?

Tiny
TERRYS
  • MEMBER
  • 2005 FORD EXPEDITION
  • 101,000 MILES
My suv starts and stays running in park or nuetral. Then in drive or reverse did not want to go. Ford said cat converters were bad. So I removed them. Now it will move but when it gets to 25mph it revs to 2.5 rpm then acts as if it is no longer in gear
Saturday, May 5th, 2012 AT 9:51 PM

5 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Do you have a check engine light?

You sure the transmission is not slipping? Check the MAF and TPS sensors
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Saturday, May 5th, 2012 AT 9:55 PM
Tiny
TERRYS
  • MEMBER
  • 7 POSTS
Check engine light is on and I dont feel the trans slipping
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Sunday, May 6th, 2012 AT 1:35 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
When it revs to 2500, does the truck still move or gain speed?

Roy
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Sunday, May 6th, 2012 AT 3:45 AM
Tiny
TERRYS
  • MEMBER
  • 7 POSTS
It gets to 25 mph then revs to 4000 and motor sounds normal but it goes down 10 mph then comes back and starts again but wont get past 25 mph
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Sunday, May 6th, 2012 AT 4:23 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
You have transmission issue here as well.

Roy
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Sunday, May 6th, 2012 AT 4:24 AM

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