# Service bulletin AS\-21686

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: 10039071
- Published by NHTSA: 2011\-07\-07
- Manufacturer's number: AS\-21686
- Manufacturer's date: 2011\-01\-01
- NHTSA component: FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS

## NHTSA's summary

FORD: MALFUNCTION LIGHT IS ON WITH TWO POSSIBLE TROUBLE CODES STORED. 2011 F SUPER DUTY. \*RM

## 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

## Vehicles listed

- 2011 FORD F\-250 SD
- 2011 FORD F\-350 SD
- 2011 FORD F\-450 SD
- 2011 FORD F\-550 SD

## Other bulletins for the same vehicles and component

- [ASI\-44450](/bulletins/10055365.md), 2014-05-14, Service bulletin: FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL; ENGINE AND ENGINE COOLING:ENGINE:DIESEL. FORD: DUE TO CONTAMINATION OF FUEL, IN SOME TRUCKS, THERE IS EXHAUST SMOKE, LOW POWER, EXTENDED CRANK HARD START, NO START CRANK, RUNS ROUGH, SLOW TO BUILD OR LOW FUEL RAIL PRESSURE \(FRP\), ENGINE KNOCKING. MODEL 2011\-2014 F\-SUPER DUTY. \*PE
- [ASI\-22198](/bulletins/10044210.md), 2012-05-23, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL; FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP. FORD: A TEST IS REQUIRED FOR HIGH PRESSURE PUMP TO PUSH DEBRIS OUT OF FUEL RAILS FOR INSPECTION. \*PE

JSON: [/v1/bulletins/10039071](/v1/bulletins/10039071)

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