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- Wed Jun 29, 2022 11:52 am
- Forum: Diagnostic Help
- Topic: Erratic Speedometer Performance, Engine idle & Fan Operation
- Replies: 0
- Views: 1244
Erratic Speedometer Performance, Engine idle & Fan Operation
My 1990 3.1 is has been misbehaving since last year. It only does it when it wants to also. There are times when everything is fine and then out of no where it will hit. The speedometer will start bouncing around like it has a poor electrical connection and then just drop to 0 and the mileage will n...