Chevrolet Repair Questions? Ask a Mechanic for Answers ASAP
My name is ***** ***** I am a professional here at Just Answer. I noticed that your question had not received a response and thought I would see if you still need help with this.I apologize for the delay and I hope I can still assist you with this here.My info is somewhat limited on your model here but I had seen no one else has responded and would like to see if I can help here.If at any time you feel that I cannot help with this please let me know.
I have seen some cases in the past before where a faulty tach signal/lead can damage this and cause this issue here as well as any after market tach that may be wired into it if the tach itself has a fault.I would see if leaving this disconnected corrects the fault here.If it does then the wiring needs checked for any issues and if this is all o.k. it is possible the tach itself is the cause needing replaced.
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That is great to hear.If you need anything else let me know.