2011 GMC Sierra 2500HD: High pressure fuel pump failure
Common wear/failure (not a recall)
Symptoms
Owners of the 2011 Sierra 2500HD report: high pressure fuel pump failure. CarComplaints.com lists 6 owner complaints, average mileage 106,500 miles.
Likely causes
Sources do not establish a single root cause; diagnosis is needed. Owner-reported fixes are listed below.
Fix, in plain English
Most common owner-reported solutions on CarComplaints.com: repair engine (3 reports) replace the whole fuel system (2 reports) replace egr valve (1 reports) fuel. Check for open recalls and extended warranty coverage with a dealer before paying out of pocket.
DIY difficulty: Varies
Depends on diagnosis. (Our assessment.)
Cost
CarComplaints.com owners report a typical repair cost of about $7,100 (owner-reported average, not a quote).
Typical parts (search links, no affiliate codes)
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