Tachometer Reading??
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Hello all. At idle and in drive my 90 LS 400's tach reads 200 rpms. This cannot be right can it? If not any suggestions? The tach moves when I hit the gas it just reads that low at idle.
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It runs perfectly smooth, not rough at all. I am not sure if the computer sends the signal to the tach or something else (i.e. tach reads the distributor revolutions). Thanks for the help!
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