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1996 Ford Ranger 4.0L V6 4WD with 185k Miles: Fixing P1443, P0401, P1131 & P1132 Fault Codes
Hi everyone, I'm Kimmy. I recently purchased a 1996 Ford Ranger 4.0L V6 4WD STX with 185,000 miles on the odometer. When I went to get it smogged for registration, the system d...
96 Ford Ranger 4.0 4WD | P04012015 F150 V8 Oxygen Sensor Codes P0136, P0156, P1131, P1151 - Lean Mix & Stalling at Idle
While driving to work one morning, my F150 V8 truck exhibited a rough idle and misfired, as if it had a fuel delivery issue. After arriving at work, I connected a OBD2 scanner a...
F150 V8 | P013699 Explorer w/ P0174, P0171, P1151, P1131 DTCs
I have a '99 explorer w/ 4.0 engine. It runs rough whenever the engine is under a load. It is showing the following codes: P0174, P0171, P1151, and P1131. It has had the intake ...
99 Explorer | P0171P1131 O2 Sensor Fault in 2000 Ford Expedition - Diagnosis and Fix Guide
I own a 2000 Ford Expedition with a 4.6L V8 engine and am currently experiencing a P1131 diagnostic trouble code. The vehicle is showing an O2 sensor issue (Bank 1 Sensor 1). Sh...
Ford Expedition | P11312001 Infinity QX4 P1131 Fault: Swirl Control Solenoid Explanation and Repair Guidance
Mileage exceeds 100,000 miles with no recent maintenance performed. The only recent issue was a newly programmed ignition key that wasn't properly coded, which caused starting p...
2001 Infinity QX4 | P11311998 Ford F150 XLT OBD Code 1131 and 1151: Diagnosis and Solutions
The 1998 Ford F150 XLT is displaying OBD II diagnostic codes 1131 and 1151. These codes indicate issues with the engine's oxygen sensor or fuel system. Code 1131 typically point...
1998 ford 150 xlt | P11312002 Ford Sable P1131, P0301, P0303, P0316 Misfire and Lean Fuel Code Diagnosis
Recently experienced recurring misfire issues on my 2002 Ford Sable, resulting in check engine light activation. I replaced spark plugs, ignition wires, and the coil pack, which...
2002 Sable | P03011998 Ford Escort Emissions Failure: Troubleshooting OBD2 Codes 0171 and 1131
My 1998 Ford Escort failed emissions testing today, triggering OBD2 diagnostic codes 0171 and 1136. I understand that code 1131 relates to the oxygen (O2) sensor, but I'm unsure...
1998 Ford Escort | P0171Ford F-150 1999 4.2L Engine P1131 Code: Causes and Fixes for O2 Sensor Malfunction
Hi everyone, I'm having trouble with my 1999 Ford F-15 "P1131" O2 sensor malfunction code, along with a secondary misfire code P0303 indicating cylinder 3 misfire. I recently re...
Ford F-150 | P11311997 Ford Tbird with Multiple O2 Sensor Codes: PO131, PO135, PO141, PO155, PO161, and PO1131 - Diagnosis and Repair Guidance
I recently encountered a series of diagnostic trouble codes (DTCs) on my 1997 Ford Tbird: PO131, PO135, PO141, PO155, PO161, and PO1131. The issue began on June 7, 2010, when th...
1997 Tbird | P1131Ford F-150 2003 - P0171, P0174, P1131, and P1151 Diagnostic Guide
Good morning, I'm working on a 2003 Ford F-150 that is displaying the following OBD2 diagnostic codes: P0171, P0174, P1131, and P1151. These codes indicate issues with fuel mix...
03 Ford F150 | P0171P1131 Diagnostic Code for 1998 Mercury Sable 3.0L - Causes and Fixes
The P1131 diagnostic code appears intermittently on my 1998 Mercury Sable 3.0L, occurring approximately every 2 times at 190,000 kilometers. The vehicle runs smoothly, and I rec...
1998 Mercury Sable 3.0L | P1131OBD2 Code P1131 on 2002 Ford Taurus Vulcan 3.0L V6: O2 Sensor Location & Diagnosis Guide
I'm currently troubleshooting a persistent OBD2 fault code P1131 in my girlfriend's 2002 Ford Taurus with the Vulcan 3.0L V6 engine, which has accumulated 122,000 miles. The veh...
2002 Taurus | P113198 Ford Tarus 3.0L Engine Faults: P0174, P1131, P1151 - Diagnosis and Solutions
I've been troubleshooting a persistent engine issue on my 1998 Ford Tarus 3.0L engine. After installing a code reader, I'm now seeing fault codes P0174, P1131, and P1151. The sy...
98 Tarus 3.0 eng | P01741998 Ford E-250 4.2L Engine: P1506, P1537, P1131, P1151, P0340, P0171, P0174 - Troubleshooting Guide
My 1998 Ford E-250 with a 4.2L engine is experiencing a very rough idle that cycles between low and normal RPMs. The vehicle occasionally stalls or nearly shuts off during idlin...
1998 E-250 | P01711998 Ford Econoline 250 Check Engine Light: Codes P0156, P1131, P1151, P0301-P0306 with Rough Idle and Lean Conditions
My 1998 Ford Econoline 250 Cargo Van has a check engine light illuminated. The vehicle exhibits rough idle and hesitation at idle. Diagnostic trouble codes detected include P015...
1998 Ford Econoline 250 | P01562015 Ford F-150 P1151 and P1131 Error Codes: Causes, Fixes & DIY Tips for Pregnant Women with No Access to Mechanics
I'm aware of the common causes behind O2 sensor-related error codes like P1151 and P1131 on my 2015 Ford F-15
01 F-150 | P11311997 Ford Contour P1131 and P0171 Lean Mix Error: Causes, Diagnostics & MAF Sensor Considerations
I own a 1997 Ford Contour with a 4-cylinder engine, currently at 107,000 miles. I'm experiencing several driving issues: the vehicle sometimes stalls after starting, has rough i...
97 Contour | P0171