FORD, MERCURY
Reported code forms P0174
MALFUNCTION INDICATOR LAMP COMING ON WITH DIAGNOSTIC TROUBLE CODES (DTCS) P0171, P0172, P0174 AND/OR P0175 (FUEL SYSTEM TOO RICH OR LEAN). *TT
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P0174 · Manufacturer communications
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
FORD, MERCURY
Reported code forms P0174
MIL ON AND/ OR RUNS ROUGH/MISFIRE DTCS P0300-P0308 P0316 AND OR P0171/P0174 4.6L ENGINE. *EH
FORD, MERCURY
Reported code forms P0174
MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED AND DIAGNOSTIC TROUBLE CODES (DTC'S) P0171, P0172, P0174, OR P0175. *TT
FORD, MERCURY
Reported code forms P0174
SOME VEHICLES MAY EXHIBIT FUEL DIAGNOSTIC TROUBLE CODES P0171, P0172, P0174, P0175 OR MASS AIR FLOW DIAGNOSTIC TROUBLE CODES P0102, P0103, P0112, P0113. *TT
FORD, LINCOLN, MERCURY
Reported code forms P0174
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
FORD, MERCURY
Reported code forms P0174
SOME VEHICLES MAY COME IN FOR A MALFUNCTION INDICATOR LAMP (MIL) ON WITH DIAGNOSTIC TROUBLE CODE P0171 AND/OR P0174 IN SELF TEST. **MR
FORD, MERCURY
Reported code forms P0174
THE MALFUNCTION INDICATOR LAMP (MIL) MAY ILLUMINATE AND DIAGNOSTIC TROUBLE CODES (DTCS) P0171, P0174, P1131, AND / OR P1151 MAY BE PRESENT WITH OR WITHOUT MISFIRE, ROLLING IDLE, ROUGH IDLE, ETC. *TT
FORD, LINCOLN, MERCURY
Reported code forms P0174
CONCERN FOR VEHICLES EXHIBITING LEAN CODES P0171 & P0174 (VACUUM LEAK). *TT