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Service bulletin PIP-4430

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10026665
Published by NHTSA2008-11-26
Manufacturer's numberPIP-4430
Manufacturer's date2008-07-01
NHTSA componentFUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL

NHTSA's summary

GMC: FUEL RAIL PRESSURE SENSOR PERFORMANCE DTC P0191. MAY SET DUE TO ACTUAL FUEL RAIL PRESSURE NOT DROPPING QUICKLY ENOUGH WHEN THE ENGINE IS SHUT OFF. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Fuel system, Fuel injection

Trouble codes named

P0191

Vehicles listed
CHEVROLET EXPRESS2007, 2008
CHEVROLET KODIAK2007 to 2008
CHEVROLET SILVERADO2006, 2007, 2008
GMC SAVANA2007, 2008
GMC SIERRA2006, 2007, 2008
GMC TOPKICK2007 to 2008

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
04-06-04-051F2022-04-05. Service bulletin. This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
16NA3832020-06-22. Service bulletin. This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.
16NA3832020-03-02. Service bulletin. This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.
16-NA-3832018-05-21. Service bulletin. This informational bulletin advises of a new fuel injection kit used for decarbonizing the intake valves, and explains how toptier fuels should be used to reduce carbon build up.
04-06-04-051E2018-05-21. Service bulletin. This informational bulletin provides information for maintenance cleaning of the fuel injectors.
04-06-04-051D2018-05-21. Service bulletin. This informational bulletin provides information for maintenance cleaning of the fuel injectors.
040604051D2018-05-07. Service bulletin. This informational bulletin provides information for maintenance cleaning of the fuel injectors.
04-06-04-051D2017-08-15. Service bulletin. This informational bulletin provides information for maintenance cleaning of the fuel injectors.
TB-09-06-04-0222009-08-04. Service bulletin. GENERAL MOTORS: MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED, INTERMITTENT DTC P0191, SLOW FUEL RAIL PRESSURE (FRP) DECAY, WIRING HARNESS CONNECTIONS, VOLTAGE FLUCTUATIONS/INTERRUPTIONS (FOLLOW CORRECTION INFORMATION BELOW). *PE UPDATED 11/23/09. *PE
0706040272007-11-02. Service bulletin. EI07239 - 5.3L, LMG, LC9 DRIVEABILITY SYMPTOMS, HESITATION, MISS, LACK OF POWER, DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308, P0171, P0172, P0174, P1174, P1175, CHECK ENGINE LIGHT, MIL, INJECTOR. *NJ UPDATED 2/19/08. *NJ