Diesel Bombers - Code 678

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- - Code 678 (https://www.dieselbombers.com/chevy-gmc-truck-duramax-turbo-diesel-forum/130601-code-678-a.html)

lg1633

05-15-2016 02:46 PM

Code 678

I just changed all the glow plugs on the passengers side of the engine I still keep getting code 678 any ideas I clear the code it stays out for a while then comes back

jeveng

07-21-2016 09:43 PM

p678 is on the drivers side. the last number is the location number odds on the passenger side and evens on the drivers side if you have a lml

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