Traditional gasoline car fault

2007 Toyota Sienna P0138 O2 Sensor Issue: Light Comes On at Highway Speeds

I own a 2007 Toyota Sienna Limited AWD and recently encountered a check engine light with code P0138 (High Voltage O2 Sensor Bank 1, Sensor 2). The issue first appeared a month ...

2007 Toyota Sienna | P0138

96 Jeep GC 5.2L Engine O2 Sensor Codes P0132-P0141: Diagnosis and Wiring Access Solutions

Hi there, I recently performed exhaust work on my 1996 Jeep GC with a 5.2L engine, which required removing the exhaust system. After reassembly and starting the engine, I began ...

96 Jeep GC | P0132

2003 Dodge Durango 5.9L - PO455, PO138, PO442 Codes Fixed at 93K Miles | EVAP System Repair Guide

Hi everyone, This forum has been incredibly helpful to me—special thanks to Jeff Compton for his detailed and patient guidance. I’m sharing my experience here so that new garag...

2003 Durango | P0138

2000 Dodge Durango 5.2L Running Poorly with P0132, P0135, and P0138 OBD2 Codes After Sensor Replacement

I own a 2000 Dodge Durango with a 5.2L engine that has started running poorly after it warms up. The vehicle is now displaying OBD2 fault codes P0132, P0135, and P0138. I've alr...

2000 dodge durango | P0132

1999 Dodge Ram PO138 O2 Sensor Fault: Can Cleaning Fix It or Must It Be Replaced?

I've heard that cleaning an oxygen (O2) sensor can sometimes avoid the need for replacement. Is this a viable solution for a 1999 Dodge Ram with a PO138 code? Does cleaning actu...

1999 Dodge Ram | P0138

P0138 code Dodge Ram 1500 P/U

I'm new here. After reading various forums about trouble codes, this group seems to be on top of this stuff. I'm no expert mechanic so bear with me a little. The vehicle is a...

Dodge Ram 1500 P/U | P0138

2001 Dodge Ram 5.2L Oxygen Sensor Fault Codes P0132, P0135, P0138, P0141 - No Heating Voltage After Replacement

I'm seeking help with persistent oxygen sensor fault codes on my 2001 Dodge Ram 5.2L engine: P0132, P0135, P0138, and P0141. I've already replaced both oxygen sensors and reset ...

2001 Dodge Ram | P0132

1999 Jeep Cherokee Sport P0138 and P0455: Related EVAP Leak and O2 Sensor Issue?

I have a 1999 Jeep Cherokee Sport with approximately 115,000 miles. It has generally run well until recently. The check engine light came on, and after scanning at AutoZone, the...

1999 Jeep Cherokee Sport | P0138

1999 Nissan Maxima P0138 and P0325 Fault: Which Sensor to Replace First?

I own a 1999 Nissan Maxima with the Check Engine Light illuminated. My OBD2 scanner is showing both P0138 (Rear Oxygen Sensor Malfunction) and P0325 (Knock Sensor Failure). I'm ...

1999 Nissan Maxima | P0138

2002 Nissan Xterra P0138 Error: Bank 1 Sensor 2 Secondary HO2S Circuit High Voltage Issue

Hello, I'm experiencing a 'Service Engine Soon' error code P0138 on my 2002 Nissan Xterra. This code relates to the secondary oxygen sensor (HO2S) circuit in Bank 1 Sensor 2. Ca...

2002 NISSAN XTERRA | P0138

2003 Dodge Ram 1500 P0138 and P0585 Code Help: MIL Light On, No Resolution After Gas Cap Check

I recently purchased a 2003 Dodge Ram 1500 in July and have very limited knowledge about vehicle mechanics. Last week, the Malfunction Indicator Lamp (MIL) came on, so I asked m...

2003 Dodge Ram | P0138

2002 Subaru Legacy L P0137 and P0138 O2 Sensor Codes: Fix Without Breaking the Bank

I own a 2002 Subaru Legacy L and have been experiencing intermittent check engine light activation, primarily during summer months. The issue only occurs sporadically at first, ...

Subaru | P0137

1999 Dodge Durango 5.2L Engine P0138 O2 Sensor Issue - What Does It Mean and How to Fix?

I own a 1999 Dodge Durango with a 5.2L V8 engine and 145,000 miles on the odometer. The Check Engine Light (CEL) came on, so I took it to an auto shop which diagnosed code P0138...

1999 Durango | P0138

1999 Dodge Durango 318 V8 P0138 and P0304: Idle Stuttering, Misfires, and Rain-Related Code Behavior

My 1999 Dodge Durango with a 318 V8 engine is experiencing intermittent stutters and surges at idle and while in gear. The check engine light appears to flicker or turn off duri...

1999 Dodge Durango | P0138

1998 Dodge Dakota P0138 O2 Sensor Code: Diagnosis and Fix Guide

I have a 1998 Dodge Dakota 4x4 with a 3.9L V6 and 5-speed manual transmission. The check engine light came on, and I scanned the vehicle and found a P0138 code. This code indica...

98 Dakota | P0138

P0138 Fault on 2000 Jeep TJ: Causes and Solutions for O2 Sensor Circuit Issues

I recently had my vehicle's diagnostic system checked and found a P0138 code. After clearing the code, it returned during short drives. The truck runs smoothly under normal cond...

2000 Jeep TJ | P0138