1998 Lincoln Navigator "p1131 p1151" Questions

...P1131; P1151; P0171; P0174; What could be wrong?? P1131 Lack of HO2S-11 Switch ,Sensor Lean P1151-Lack of HO2S-21 Switch ,Sensor Lean PO171- System to Lean (Bank 1) PO174-Systen to Lean (Bank 2) Fuel ...

...p1151,p0171,p0174,p1131 all of the codes listed several possibilties and the MAF was listed on them all does the mass air flow censor cause this it could but most likely not check for a vacuum leak ...

...P1131; P1151; P0171; P0174; What could be wrong?? i had the same trouble, there is a rubber boot under the cover on the top of the motor, it is coming from the egr valve, takes about 5 mins to repair ...

...P1151 and P1131 If both, P1131 and P1151 trouble codes are set at the same time, the problem will most likely be attributed to a vacuum leak past the MAF (Mass Air Flow) sensor or something else that ...

poor idle dtc P1151, P1131,P0174, P0171. runs ok poor idle dtc P1151, P1131,P0174, P0171. runs ok above an idle. 2003 ford tauras Change plugs, and Mass Air Flow sensor. This should do the trick

...p1131 and p1151 mean? P1131-- Lack of HO2S-11 Switch (lean) P1151--Lack of HO2S-12 Switch (lean) There are at least 26 possible causes in the Diagnostic Trouble Code Chart That isn't going to be a ...

...p1131 and p1151 need to know what these codes are and what parts they are DTC P1131 DTC P1151 indicates the system is correcting RICH for an overly LEAN condition. The Heated Oxygen Sensor (HO2S) ...

...p1131 p1151 p0171 how do i fix emission codes p1131 p1151 p0171 P9174 TSB 05-22-6 ISSUE: Some 2001-2003 F-150, 2004 F-150 Heritage and 2001-2003 E-150/250 vehicles equipped with a 4.2L engine may ...

...P1131 and P1151 are for the oxygen sensors. one in the exhaust at the firewall and one at the radiator off the manifold. When both go off though at the same time I would suspect a vacuum leak after ...

p1131 p1151 p0171 p0174 p1131 p1151 p0171 p0174 All of these p1131 p1151 p0171 p0174 codes indicate a problem with a lean condition. This engine is known for vacuum leaks, so before you start throwing