3rd Gen / L98 Engine Tech 1982 - 1992 Engine Related

RPM Issue

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Old 05-14-2004, 02:02 PM
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RPM Issue

Need help guys! My rpm is totally off. When I am in idle, it indicate that I am in 3500 rpm and when I start pressing the gas the rpm shoots all the way to red line. What is wrong with my car...
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Old 05-14-2004, 06:29 PM
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does the engine sound like its running the rpm's read on the tach?
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Old 05-14-2004, 07:04 PM
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my car drives really well. It is just my rpm. It is way off...
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Old 05-14-2004, 10:06 PM
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The return spring inside the tach is going bad. You need a tachometer head.
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Old 05-15-2004, 10:07 PM
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Sounds like it. ARe the gauges all advailable seperately? Also check the connections around the coil to make sure they are tight and no rust since I believe that is where the signal is coming from for the tach.
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Old 05-16-2004, 02:43 PM
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thanks I will check it out
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