Is This The Most Notorious Duramax Problem?
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YouTubeFlyin Diesel
Is This The Most Notorious Duramax Problem?
CP4 failures on LMLs. We see it more than we’d like 😬 Came in dead on the road, metal all through the FCA. Installed a Fleece CP3 conversion and a Fass Fuel Systems 165 lift pump - way better performance, fuel flow & system. If your LML is still running stock, come see us before the road does it for you. #duramax #lmlduramax #cp4failure # ...
1.2K views1 month ago
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