Questions & Answers for: p1151 code p1131

likely be something that would affect one bank, like a bad O-2 sensor or a fuel injector; the most common cause of a single code either the P1131 or P1151 in my experience has been a bad Oxygen sensor

...PART NUMBER PART NAME 1L3Z-9H486-AA Port Gasket 3F2Z-9S479-AA Isolator Bolt Service engine light soon  can on 2002 Mercury Montainereer, code p1151 but the car run smooth how do i fix this ...

2002 f-150 code P1151 , P1131 idle lowers and comes back up when cold, dealer said lower intake manifold gasket. sounds like they are honest. p1151 states lean condition at bank 2

...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) ...

...getting a P1131 reading what is it its running lean on bank 1, eitehr a vacuum leak, or an o2 sensor.

...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 the MAF ...

...P1131, P1132, P1151 AND P1152: UPSTREAM HO2S NOT SWITCHING. DTC P1130: FUEL SYSTEM NOT SWITCHING AT FUEL TRIM (RICH OR LEAN) Diagnostic Trouble Codes (DTCs) P1131 bank 1 (Cylinder 1) and P1151 bank 2 ...

...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 driveway job, your going to ...

...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 ...

code P1131 & P1151 1997 Mustang GT 4.6. What do these codes mean and how do I fix them Hope this helps you or future parties of intrest. P1131 Lack of Upstream Heated Oxygen Sensor Switch - Sensor