6.5 stalling

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03-01-2009, 10:42 PM

Heavy Gun

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6.5 stalling

Hey guys just wondering if any one knows what to check/fix when you get the obd2 code P0231B which states lift pump secondary voltage low? Any help would be greatly appreciated.

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03-05-2009, 05:12 AM

wildbill

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Sounds like it's time for a new lift pump.

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03-09-2009, 07:39 AM

Turbine Doc

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Probably bad OPS which sends power to lift have a read here Lift Pumps & OPS operation and troubleshooting - DieselTowingResource.com some reference material I put together

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