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Sep 4
P2C7A on the 3.0 Duramax (LM2/LZ0): Causes, Diagnosis, and Proven Fixes
P2C7A on the 3.0 Duramax means the SCR/NOx catalyst isn’t meeting efficiency. Learn the real causes, exact diagnostics, and fixes for LM2/LZ0.
Mar 28
Understanding and Replacing the P04FB Crankcase Pressure Sensor on the 3.0 Duramax Diesel
If you’re a 3.0 Duramax Diesel owner, you’ve likely heard of the P04FB code—it’s one of the most common diagnostic trouble codes (DTCs)...
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