# P0174 on the 1999 Ford Windstar

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

Nobody has written a description of this code yet.

## Bulletins for this model year that name P0174

- [10003115](https://open.wenmarpro.com/bulletins/10003115), 2003-10-08: CHECK ENGINE LIGHT ON AND LEAN DIAGNOSTIC TROUBLE CODES \(DTC'S\) P0171/P0174 \(SYSTEM TOO LEAN BANK 1 OR 2\) STORED IN MEMORY. \*TT
- [10002631](https://open.wenmarpro.com/bulletins/10002631), 2003-09-09: LEAN DIAGNOSTIC TROUBLE CODES P0171/P0174 STORED. NEW SERVICE ISOLATOR BOLT ASSEMBLY RELEASED FOR SERVICE. \*TT
- [10002484](https://open.wenmarpro.com/bulletins/10002484), 2003-09-04: CHECK ENGINE LIGHT ON AND LEAN DIAGNOSTIC TROUBLE CODES \(DTC'S\) P0171/P0174 \(SYSTEM TOO LEAN BANK 1 OR 2\) STORED IN MEMORY. \*TT
- [10001900](https://open.wenmarpro.com/bulletins/10001900), 2003-07-25: CHECK ENGINE LIGHT ON AND LEAN DIAGNOSTIC TROUBLE CODE \(DTC'S\) P0171/P0174 STORED. \*TT \*JB
- [636376](https://open.wenmarpro.com/bulletins/636376), 2002-11-07: SOME VEHICLES EQUIPPED WITH A 3.8L ENGINE MAY EXHIBIT LEAN DIAGNOSTIC TROUBLE CODE P0171 / P0174. \*TT
- [630049](https://open.wenmarpro.com/bulletins/630049), 2002-04-12: SUBJECT REGARDING DRIVEABILITY DIAGNOSTIC TROUBLE CODE LEAN CODES P0171/P0174. \*YD
- [627927](https://open.wenmarpro.com/bulletins/627927), 2002-02-26: SOME VEHICLES MAY EXHIBIT VACUUM OR AIR LEAKS IN THE INTAKE MANIFOLD AND / OR ENGINE SYSTEM CAUSING DIAGNOSTIC TROUBLE CODES P0171 AND OR P0174. \*TT
- [613706](https://open.wenmarpro.com/bulletins/613706), 2000-07-27: SOME VEHICLES MAY EXHIBIT MIL ILLUMINATION WITH DIAGNOSTIC TROUBLE CODES P0171/P0174. \*\*MR
- [613663](https://open.wenmarpro.com/bulletins/613663), 2000-07-26: INFORMATION REGARDING MALFUNCTION INDICATOR LIGHTS P0171 / P0174. \*\*MR