Chevy and GMC Duramax Diesel Forum banner
  • Hey Everyone! Enter your ride HERE to be a part of this months Ride of the Month Challenge!
1 - 2 of 2 Posts

·
Registered
Joined
·
122 Posts
Discussion Starter · #1 ·
I am getting an intermittant P0268 code, injector circ hi cyl3. How are the cylinders numbered?
I am guessing this is probably a wire harness issue under the valve cover.

Any thoughts or ideas?

Thanks
 

·
Registered
Joined
·
122 Posts
Discussion Starter · #2 ·
Ok, just looked at it and realized the injector wires run externally. I could not find any spots where the wiring had rubbed. The code is coming up with my spare ECM installed with Robs fuel economy EFI tune. I put the original ECM back in and put about 50 miles on it today with no problems. Must have an injector driver in the ECM going bad.
 
1 - 2 of 2 Posts
Top