99 Ford Ranger XLT 4WD problem

CHIMERIX

MEMBER
1999 FORD F-150

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.

5 Replies

BRUCE HUNT

MECHANIC
3,754 POSTS

Have the codes pulled and that should help point the right direction.

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Friday, February 16th, 2007 AT 1:30 PM

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.

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Monday, February 19th, 2007 AT 5:11 PM

BLASTERMAN808

MEMBER
11 POSTS

Replaced the vss(vehicle speed sensor) for one of the codes. It didn't help.

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Friday, March 9th, 2007 AT 12:31 AM

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.

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Thursday, March 22nd, 2007 AT 9:19 PM

BLACKOP555