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Registered Abuser
Join Date: Jul 2007
Location: Southwest Montana
Posts: 2,738
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Quote:
Originally Posted by vreference
Key on, Engine Off ( "KOEO" Key in the run position) you should have a 0 (Zero) reading. If it's at 5 with the key on but before the engine is running then it's the sender or the wiring. If this is the case you can unplug the sender to attempt to isolate the issue. That is, with the sensor unplugged (KOEO) you still read 5 it's an issue with the gauge or the harness. If the gauge reads zero after unplugging the sender, the sender is faulty. If you only read 5 Bars with the engine running (KOEO)it could still be a gauge or sending unit failure (wiring is less likely). The other possibility is a mechanical issue such as a failed bypass valve.
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Tried this sender unpluged KOEO still pegged.
Where should I be looking next?
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