Traditional gasoline car fault

2004 Jeep Wrangler P0155 O2 Sensor Code: Diagnosis and Repair Guide

I own a 2004 Jeep Wrangler and recently noticed the Check Engine Light (CEL) came on overnight. After connecting a code reader at AutoZone, I received fault code P0155. The ligh...

2004 Jeep Wrangler | P0155

1996 Mercury Cougar 4.6L V8 P0155, P0156, P0161 O2 Sensor Codes and Erratic Idle Diagnosis

Hello, I own a 1996 Mercury Cougar with a 4.6L V8 engine. Recently, I've been experiencing recurring check engine light issues triggered by codes P0155, P0156, and P0161 — all r...

mercury cougar | P0155

1999 Chevy Astro P0155 Code: Intermittent Stumbling, Hard Starts, and Misfire Solutions

Hello, I'm experiencing persistent issues with my 1999 Chevrolet Astro cargo van. I've been troubleshooting for over two years and am now at a loss as to what's causing the pro...

99 Chevy Astro | P0155

2002 Jeep Grand Cherokee P0051 P0141 P0152 P0155 P0161 - Oxygen Sensor Faults: Common Wiring Issue or Individual Sensor Failure?

Dear community, My father drives a 2002 Jeep Grand Cherokee with a 4.7L V8 engine (70,000 miles) and recently triggered the following OBD-II diagnostic trouble codes: - P0051 -...

2002 Jeep Grand Cherokee | P0051

1996 Ford Taurus P0135, P0141, P0155, P0161 and P0174 Fault Codes: Causes, Sensor Locations & Fixes

I own a 1996 Ford Taurus with approximately 140,000 miles. Recently, my vehicle has triggered several OBD2 diagnostic codes: P0135, P0141, P0155, P0161, and most recently P0174....

Ford Taurus | P0135

P0135 and P0155 Diagnostic Guide for Volvo S80 T6 - How to Fix Oxygen Sensor Faults

Great information for those starting their diagnosis! This issue is commonly encountered in Volvo S80 T6 models. The fault codes P0135 and P0155 indicate problems with the oxyge...

Volvo S80T6 | P0135

Volvo S80 T6 OBD2 Codes P0135 and P0155: Heater Circuit Fault Diagnosis & Fix

My 1999 Volvo S80 T6 has the Check Engine light illuminated, with OBD II diagnostic codes P0135 and P0155. Both codes relate to oxygen sensor heater circuits — specifically Bank...

Volvo S80T6 | P0135

2003 Isuzu Rodeo P0155, P0004, and P4800 Code Explanation and Diagnosis

The check engine light came on in my 2003 Isuzu Rodeo, but I haven't noticed any drivability issues. I recently tested the vehicle with a cheap generic OBD-II scanner I previous...

2003 Isuzu Rodeo | P0004

P0402 and P0155 on 1999 Cougar

Hi, I am currently receiving both the P0402 (excessive flow in the EGR system) and P0155 (malfunction exists in heater circuit for oxygen sensor 1 in bank 2) along with manufact...

1999 Cougar | P0155

1998 Nissan Maxima P0155 and P0325 Fault Codes: Causes, Diagnosis, and Repair Steps

My 1998 Nissan Maxima is showing both OBD-II diagnostic codes P0155 (O2 Sensor Heater Circuit Malfunction) and P0325 (Knock Sensor Circuit Failure). The vehicle runs normally wi...

1998 Maxima | P0155

P0155 O2 Sensor Heater Circuit Fault on 1995 Dodge Windstar - After Tranny and Valve Job

I'm experiencing a recurring P0155 diagnostic trouble code on my 1995 Dodge Windstar. The code indicates an O2 sensor heater circuit malfunction for Bank 2 Sensor 1, though all ...

95 Windstar | P0155

P0155 O2 Sensor Heater Malfunction Diagnosis for 1996 Ford F150 with 300ci V8

I own a 1996 Ford F150 with a 300ci V8 engine, 6-speed transmission, and 4x4 drivetrain. The truck has approximately 60,000 miles on it. I've replaced the Bank 1 Sensor 1 O2 sen...

96 F150 | P0155

97 Ford F150 4.6L Engine Fault Codes P1151, P0115, P0141, P0155 - Diagnosis & Fixes

My 1997 Ford F150 with a 4.6L engine is running smoothly and has reached 105,000 miles. After replacing the EGR valve and upstream O2 sensor, I'm now seeing these diagnostic tro...

97 F150 | P0115

P0135 and P0155 Fault Codes in 2001 Chevrolet Camaro Z28 with LS1 Edit (No Catalytic Converters)

I own a 2001 Chevrolet Camaro Z28 equipped with an LS1 engine modified using LS1 Edit. This modification has disabled two of the four oxygen (O2) sensors, as no catalytic conver...

01 Z28 | P0135