Service bulletin PI-0527
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.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10041430 |
| Published by NHTSA | 2011-10-03 |
| Manufacturer's number | PI-0527 |
| Manufacturer's date | 2011-08-01 |
| NHTSA component | FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS |
NHTSA's summary
GMC/CHEVROLET: VEHICLES EQUIPPED WITH COMPRESSED NATURAL GAS RUNS ROUGH OR MISFIRES. CNG FUEL INJECTORS NEEDS REPLACING WITH NEW ADAPTERS. *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
| CHEVROLET EXPRESS | 2011 |
|---|---|
| GMC SAVANA | 2011 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 04-06-04-051F | 2022-04-05. Service bulletin. This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive. |
|---|---|
| 16NA383 | 2020-06-22. 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. |
| 16NA383 | 2020-03-02. 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-383 | 2018-05-21. 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. |
| 04-06-04-051E | 2018-05-21. Service bulletin. This informational bulletin provides information for maintenance cleaning of the fuel injectors. |
| 04-06-04-051D | 2018-05-21. Service bulletin. This informational bulletin provides information for maintenance cleaning of the fuel injectors. |
| 040604051D | 2018-05-07. Service bulletin. This informational bulletin provides information for maintenance cleaning of the fuel injectors. |
| 04-06-04-051D | 2017-08-15. Service bulletin. This informational bulletin provides information for maintenance cleaning of the fuel injectors. |
| PIP5085 | 2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician that engineering is asking for additional information if SI diagnosis leads to replacement of the Indirect Fuel Injector for a P0420 Diagnostic Trouble Code. Technician should follow published Service Information diagnostics for Diagnostic Trouble Code P0420. Technician will need to also gather quantity of fuel flow measured, engine hours, type of vehicle, and estimated percentage of time the vehicle spends at idle. |
| PIP5085C | 2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have a Malfunction Indicator Lamp on. Technician may find a P0420, P24A0 and/or P2463 set. Technician should use published Service Information diagnostics for the Diagnostic Trouble Code. If the diagnostic leads to diagnosis or replacement of the Q57 Indirect Exhaust After treatment Fuel Injector, document all of your test results. |