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go-west..
go-west.., Technician
Category: Medium and Heavy Trucks
Satisfied Customers: 1152
Experience:  Technican with 20 years experience focused on engines and electrical.
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I have a Cummins diesel isb 300 horsepower. fault code 238

Customer Question

I have a Cummins diesel isb 300 horsepower. fault code 238 what is 238 fault code telling me.
Submitted: 1 year ago.
Category: Medium and Heavy Trucks
Expert:  go-west.. replied 1 year ago.

238 is for engine speed sensor .the sensor is located at the left side of the engine. It is at crankshaft level between 5and 6 cylinder

Customer: replied 1 year ago.
Thank you very much. I will have my mechanic check it out. Thank you for the fast response.
Expert:  go-west.. replied 1 year ago.

Np

Please accept if satisfied