Traditional gasoline car fault

PO151 and PO131 Diagnostic for 1999 Chevrolet Suburban K1500 - Fuel Pump Replacement & O2 Sensor Issues

I own a 1999 Chevrolet Suburban K15-00. After replacing the fuel pump in April, the vehicle initially ran smoothly. However, I began experiencing a loss of compression when driv...

1999 Chevy Suburban | P0131

1997 Chevrolet Chev Motorhome (P-32 Chassis) with P0131 and P0134 O2 Sensor Codes After One Hour of Driving

I own a 1997 Chevrolet Chev Motorhome built on a P-32 chassis, equipped with a 454 engine. After driving approximately one hour, the vehicle triggers trouble codes P0131 and P01...

97 Chev | P0131

P0131 and P0151 OBD2 Codes on 1997 Chevrolet Tahoe - Fuel Volume Issue Diagnosis

I'm experiencing a recurring engine issue on my 1997 Chevrolet Tahoe with P0131 and P0151 diagnostic trouble codes. The engine runs smoothly at idle but dies and backfires when ...

97 Tahoe | P0131

2002 Buick LeSabre 3800 Engine Hesitation with P0131 O2 Sensor Code - Diagnosis and Fix

I've been struggling with a persistent engine hesitation issue on my 2002 Buick LeSabre 3800 for approximately four months. The vehicle hesitates when starting from a stop—wheth...

2002 Buick LeSabre | P0131

99 GMC 2500 Pickup OBD2 Codes P0151, P0131, P0137, P0157 - Bogs on Uphill with Power Loss

Hi, I have a 1999 GMC 2500 pickup with a 5.7L engine and 104,500 miles. The vehicle shows OBD2 fault codes P0151, P0131, P0137, and P0157. It runs smoothly under normal conditio...

99 GMC 2500 pick-up | P0131

2000 Buick Regal LS P0131 Code: Acceleration Issues and MAP Sensor Diagnosis

Hi, I own a 2000 Buick Regal LS with 71,000 miles. Recently, the car has become unresponsive during acceleration. When I press the accelerator pedal, RPMs increase slowly but th...

Regal | P0131

1997 Chevrolet 1500 4.3L Engine P0306, P0131, P0174 - Cold Starts Fine, Warm-Up Bogs at 35mph with Loss of Torque

I have a 1997 Chevrolet 1500 with a 4.3L V6 engine. The vehicle runs perfectly when cold, but as it warms up, it begins to bog down and will only reach about 35 mph at around 15...

97' chevy 1500 4.3 | P0131

2005 Chevrolet Silverado OBD2 Codes 0171, 0131, 0300, 1133: Lean Bank 1, O2 Sensor Issues, Misfire Diagnosis

Hello everyone, My 2005 Chevrolet Silverado has a check engine light activated with the following OBD2 diagnostic codes: - 0171: System too lean (Bank 1) - 0131: O2 sensor circ...

05 Silverado | P0131

1997 Jeep Wrangler 107,000 Miles with P0171 and P0131 OBD2 Codes - Diagnosis and Fix

I recently purchased a 1997 Jeep Wrangler with 107,000 miles. After getting it back from the dealership—where they replaced the steering box and sensor—I started seeing two diag...

97 Jeep Wrangler | P0131

2003 Grand Am 3.4L V6 with P0131 O2 Sensor Code: Fix for Low MPG and Service Engine Light

My 2003 Grand Am 3.4L V6 has been running normally with an average fuel efficiency of 23 to 29 mpg. However, the last tank delivered only about 18 mpg, using regular 89 octane g...

2003 Grand Am 3.4L v6 | P0131

P0300, P0131, and P0101 Diagnostic Issues on 1999 Pontiac Montana Van

I own a 1999 Pontiac Montana van and have recently started experiencing multiple OBD-II diagnostic codes: P0300 (random misfire), P0131 (oxygen sensor malfunction), and P0101 (m...

99 montana | P0101

1998 Chevrolet Trans AM O2 Sensor Fault Codes P0131, P0137, P0151, P0157 - Possible Cause After Air Check Valve Replacement

Hello everyone! I recently purchased a 1998 Chevrolet Trans AM Firebird and am experiencing multiple O2 sensor fault codes: P0131, P0137, P0151, and P0157. These codes began ap...

1998 Trans AM | P0131

2002 Buick Centry Check Engine Light Codes 0131, 0135, 0171 - Solutions and Diagnosis

Hi, I recently purchased a 2002 Buick Centry from my father. The vehicle previously had its catalytic converter (cat) and oxygen (O2) sensors replaced before the issue arose. Cu...

2002 Buick Century | P0131