Tag
#EGR
2 posts in Car Diagnostics blog about "EGR" — OBD-II diagnostics, DTC codes, repair. ← All posts
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EGR valve and EGR cooler leak: codes P0401, P0402, P0404 and why diesel Passat/A6 "got sooted up"
How to diagnose EGR via OBD-II: difference between P0401 (low flow) and P0402 (high), EGR cooler leak, why "EGR delete" is a short fix with long problems.
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Diesel Engine Power Loss: 10 Causes and Step-by-Step Diagnosis
Why a diesel car does not pull, how to quickly distinguish turbo, EGR, DPF or injector issues, and which DTC codes to read first.