Possible Causes and Repair Information for P1131 Ford code. Learn what does P1131 Ford means? P1131 Ford Lack of Upstream Heated Oxygen Sensor ...
Sep 11, 2003 ... Error Code P1131 1997-2006 Expedition & Navigator.
Trouble code P1131 means that the powertrain control module has detected a lean condition for engine bank No.1. Code P1131 can be caused by a vacuum ...
This is a manufacture wide OBD II trouble code list (Years 96-current). This list gives you the P series of codes.
My check engine light was on so I took it to AutoZone. They hooked up the computer and it gave me these two codes. Any idea where I could ...
P1131 on an Expedition is a mass air metering error, not to be confused with a mass air sensor. The engine control module cannot see the bank one.
If both, P1131 and P1151 trouble codes are set at the same time, the .... Ford says not to (they'd rather sell new part) but it will work at least long ...
This particular DTC article refers to a P1151 trouble code on Ford vehicles. This does not apply to .... P1131,P1151,P0174, P0304, P0306 2000 Ford Expedition