99 Ford Ranger XLT 4wd problem

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CHIMERIX
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  • 1 POST
I have a 99 Ranger XLT, 150K miles, v6 engine. I bought it second hand to take up some "unimproved" mountain paths. It has a tendency to not stay in 4wd.

One minute, I'm in 4w low, climbing in and out of erosion gullies with no effort. The next, my rear tires are spinning, and the front just sit there. According to the dash indicator light, I'm still in 4w low. I shift to neutral, switch into 2wd, then back into 4w low, and voila! Up she comes! Until the next time she doesn't.

No pattern I can recognize, no overt sign that the front wheels have stopped pulling until I stop moving.
May 11, 2007 at 5:50 PM
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BRUCE HUNT
  • ✓Experienced Mechanic
  • 3,754 POSTS
Have the codes pulled and that should help point the right direction.
Feb 16, 2007 at 5:30 AM
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BLASTERMAN808
  • MEMBER
  • 11 POSTS
I was told to pull the codes. There were two(2) codes: P0700 - trans control system malfunction & P1791 - don't have info on this code. Does anyone know what parts are affected by these codes. 1996 Acura Integra LS, 1.8 liter, auto trans., 181K Miles.
Feb 19, 2007 at 9:11 AM
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BLASTERMAN808
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  • 11 POSTS
Replaced the vss(vehicle speed sensor) for one of the codes. It didn't help.
Mar 8, 2007 at 4:31 PM
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BLASTERMAN808
  • MEMBER
  • 11 POSTS
I double checked the wiring connectors on the auto transmission and two connectors were not in the correct location. I swapped the connectors and my problems went away. I hope this helps someone else with the same problems.
Mar 22, 2007 at 2:19 PM
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BLACKOP555
  • ✓Experienced Mechanic
  • 10,386 POSTS
id have to say if it has automatic locking hubs its time to replace them with maual ones as auto's have a tendency to stop working after a bit.
May 12, 2007 at 12:36 AM
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