What makes the speedometer and tachometer stop working?
There are 2 sensors on the engine that sent a signal to the computer and speedometer and tach. When one of these goes bad it can make the speedometer and tach go all over the place and also just stop working. This can also cause all types of engine running problems because the information being sent to the PCM will be incorrect all so. The units are easy to replace once you find them, it seems that they are located in different areas of the engine with each year the vehicle was put out. Your local dealer should be able to tell you the location of each sending unit. .
(This is not the same sensor as the input or output sensors)
Why would the tachometer and speedometer stop working on a 1998 dodge caravan and how can you fix it?
What would cause the speedometer tachometer and cruise control to stop working on a 2000 Nissan Crew Cab SE after driving a couple of hours?
Hi There, On my 1995 Nissan Pick-up, The speedometer as well as the tachometer would intermittenly stop working. Sometimes one would work then the other would stop working, sometimes both stopped working at the same time. I never knew when it would happen. Then, at 90,000 miles, the Check Engine light came on and everything worked GREAT. It turns out that the wire that sets off the Check Engine light was shroting out causing the…