Search found 3 matches

by Skube
Tue Nov 25, 2008 5:28 am
Forum: Drivetrain
Topic: 90 FWD, 4EAT suddenly not going up past 2nd gear
Replies: 4
Views: 1039

Speedo cable?

My speedometer cable broke, and when I replaced it the problem went away. I later found out the vehicle speed sensor is in the speedometer! Makes sense. The TCU needed that input to tell the tranny to shift up from 2nd. I guess 2nd is "limp home" mode?

~ S
by Skube
Sun Nov 16, 2008 2:30 pm
Forum: Drivetrain
Topic: 90 FWD, 4EAT suddenly not going up past 2nd gear
Replies: 4
Views: 1039

Hi tahiti350.

Yeah, I pulled the passenger side connector apart to check the inhibitor switch operation. I haven't pulled the driver's side yet. I'll do that next.

Any idea where the front speed sensor is?
by Skube
Sun Nov 16, 2008 2:13 am
Forum: Drivetrain
Topic: 90 FWD, 4EAT suddenly not going up past 2nd gear
Replies: 4
Views: 1039

90 FWD, 4EAT suddenly not going up past 2nd gear

163k on this car, which I have been told should go twice this far. Tranny was recently swapped for a lesser mileage, 94 4EAT. All was going fine for a few months, but yesterday on the way home from a 20 mile trip it wouldn't go into 4th, and the speedometer was no longer working. I let it rest an ho...