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RX-7 2nd Gen Specific (1986-92) RX-7 1986-92 Discussion including performance modifications and technical support sections. |
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#2 |
RCC Addict
Join Date: Mar 2008
Location: Honolulu, Hawaii USA
Posts: 1,813
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You have an electrical problem in the car.
Sorry to be so generic, but there is no way to narrow down the problem without a thorough diagnosis. With that said, it's a PITA to troubleshoot these kinda problems. The tach dropping is an effect of the problem - not a cause. It's normally for the tach to not work like that when you abruptly kill the power to the stock ECU. -Ted |
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