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Maladjusted's avatar
Maladjusted
Explorer
May 25, 2013

Cummins ISB 6.7 340 HP crankcase pressure sensor

Tripped a check engine light on our way down to OBX on Friday. Called Cummins and diagnosed the engine code as a crankcase pressure sensor... Again. This is the second time in 500 miles. I had the ...
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dougmac's avatar
dougmac
Explorer
May 26, 2013
2007 and later engine I am guessing? What was the code? Is it a sensor out of range code or "Crankcase Pressure - Data Valid but Above Normal Operational Range" code?

If it is the "Crankcase Pressure - Data Valid but Above Normal Operational Range" you probably need to service the crankcase breather filter.

If it is out of range, you have a bad sensor or an intermittent wiring fault.

Doug

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