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1984 Buick Regal - Page 9 Questions & Answers
1989 regal tach stopped working
check for a faulty wire/s to the tacho of a faulty tacho unit
the tacho gets its reading by the ignition impulses so any engine running problems may have been a result of the faulty tacho or wires.
Traction antibrak
there is a code set in the ABS computer that will have to be checked out and the same with the check engine light but the code will be in the PCM for that. it could be a damaged sensor/wires at the sensors or if you driving in deep snow it could be causing a false code and there is nothing wrong.
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