Chevrolet Express 2010–2012 — technical service bulletin
Bulletin PIP-4949-B · NHTSA communication 10044240 · issued Aug 1, 2014
Technical service bulletin
communication type
Fuel System, Gasoline
component
2010–2012
model years
12
vehicle entries
Official summary
Gm: duramax diesel hard start, no start, or dtc p0087 injection pump replacement. Normal si diagnostics may be inconclusive or lead to a fuel injection pump replacement. *js updated 11/12/14. Pe
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.