06,5.9.low idle

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Jun 7, 2010 | 05:50 PM

hammerjammer

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06,5.9.low idle

My 06,5.9 cummins is idling at 300 rpm,the tach appears to be accurate at 60mph,based on Rpm and 3.73 gear,checked with gps. Any ideas?

Jun 7, 2010 | 06:14 PM

Lost Lake

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From: Lost Lake, Wis

It's your tach. Mine does it too. Most of the time anyway. Expensive to fix, so I live with it.

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