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Tachometer question...

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Old 04-02-2013, 09:39 PM
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Default Tachometer question...
So which sensor, or combination of sensors, does the PCM use to determine engine speed for the tachometer output? I'm thinking either the crankshaft position sensor or the distributor pickup. Any ideas?
 
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Old 04-03-2013, 12:27 AM
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Crank sensor.
 
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Old 04-03-2013, 10:18 AM
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Thanks!
 
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