Re: Duramax towing “engine reduce power”
On my LBZ 2007 Silverado was getting a low fuel pressure code. And would only happen when towing the trailer. Took it to a friend who has lots of experience with these engines and run a diesel repair shop. Replaced the injectors and problem cured. Not sure if this is the same issue you’re having but thought I’d share my experience.
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68 Chevy11 327 F/S
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