if thats not it check the wires that go to it, the speedo & the O2 sensor run together I had a 92 and the wires got into the exaust and fried both of them. Dont know if thats ur prob to but it might be.


84 TOY P/U 35"Boggers 5"SUSPENTION 2"SHACKEL LIFT TRU-TRAC FRONT DETROIT REAR 5.29 GEARS COSTOM FABED BUMPERS & SLIDERS, MARLIN 4:70:1 CRAWLER T-CASE