Tachometer malfunction - Ford Powerstroke Diesel Forum
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Old 11-21-2012, 09:59 AM
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Unhappy Tachometer malfunction

Just bought my 2006 F350 6.0L Lariat. My tachometer has started to read incorrectly. It sits at about 2700 with the ignition off and seems to operate ok from there (taking 2700 as 0). So highway speeds I'm at arounf 5000. The engine seems to be running at a reasonable rpm. I am thinking it is limited to the tach. My question is this: I have heard there are TSB's regarding this? Does the entire cluster need replaced?
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Old 11-21-2012, 11:03 AM
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On the 06 the cluster is a sealed unit and the whole cluster has to be replaced. Sorry to say.
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cluster, instrument, tachometer

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