I DRIVE a 1995 Nissan Maxima 30 G and am having a problem with the tachometer. When I start the engine the tacho does not move, but then slowly goes from 0 to 8500rpm over about 20km. The car has been back to a Nissan dealer four times and an auto electrician once. All have sent it to an instrument place, but each time it came back with the report: nothing wrong.
THE problem may not be with the tacho itself. It could be in the signal the tacho is getting, so take it back to the auto elecrician and have him check the system.
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