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| 6.4L Problems Forum Having Trouble? Post here |
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LinkBack | Thread Tools | Display Modes |
06-06-2012, 06:31 PM
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Temp gauge pegging?????
A friend of mine has an 08 with a 6.4, when the temp gauge gets up to normal position it then immediatly pegs out and the truck goes into limp mode. Has anyone seen this before
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06-06-2012, 08:19 PM
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Check all the electrical plugs and grounds. Check especially the ECM connections and the like. I worked on a Duramax that did that and it was a corroded pin in the main harness connector on top of the engine. Check the obvious like coolant level and proper circulation.
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