2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.
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Old 01-24-05, 11:17 AM
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Super-Tuner

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no rpm

anyone ever had the rpm signal completely lost? i recently hit a bump and now it is not reading rpm either at the tach or at the S-AFC? connections all good and crank position sensor is ok.
Old 01-24-05, 12:29 PM
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Start checking wires. Something came loose. Also check ur grounds.
Old 01-24-05, 12:30 PM
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The tach signal comes from the trailing coil pack.
You can trace it in the FSM.
Old 01-24-05, 01:28 PM
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Super-Tuner

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trailing coil, sweet i didn't check there. thanx man.
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