Traditional gasoline car fault

P0172 OBD2 Code in Toyota Celica GTS with VVTL-I Engine: Causes, Fixes & DIY Diagnosis Tips

Hi everyone, I recently purchased a 2005-2010 Toyota Celica GTS equipped with the VVTL-I engine and have been experiencing recurring check engine light issues, currently showin...

Toyota Celica | P0172

1996 Chevy Tahoe P0172 and P0175 Codes: Diagnosing Rich Fuel Mix After O2 Sensor and Fuel Regulator Repairs

The check engine light has been intermittently on for several months on my 1996 Chevrolet Tahoe. I've taken the vehicle to both a local gas station and a Chevy dealership, where...

96 Chevy Tahoe | P0172

P0172 Diagnostic Code on 2004 GMC Envoy: Causes and Fixes

Imagine the frustration you'd have avoided by purchasing the correct part from your dealer and installing it at your chosen repair shop. If you had mentioned that the replacemen...

Envoy | P0172

Honda Odyssey 2000 P0170/P0172/P1491 and P0300-P0305 Codes: EGR Valve Failure & Intake Carbon Blockage Diagnosis

My 2000 Honda Odyssey (107,000 miles) has been exhibiting persistent engine trouble with DTCs including P0170 (Fuel Trim Bank 1 - System Too Rich), P0172 (System Too Rich Bank 1...

honda 2000 odyssey | P0170

P0172 on 2006 BMW

2006 BMW 330i My "service engine soon" light came on yesterday. The code read was P1072 - System Too Rich. After looking through this site and the forums, I see there are a fe...

2006 BMW | P0172

P0172 Diagnostic and Fix for 2004 Chevrolet Envoy: Spark Plugs, O2 Sensors, and Catalytic Converter Issues

I'm experiencing a P0172 code on my 2004 Chevrolet Envoy, which indicates a lean fuel mixture in Bank 1. After multiple troubleshooting attempts, I've found that this issue is o...

04 Envoy | P0172

1999 Dodge Caravan 3.3L Engine Surging at 1200 RPM with P0171 and P0172 Codes - Diagnosis Tips

I own a 1999 Dodge Caravan with a 3.3-liter gasoline engine, currently clocking around 92,000 kilometers. The vehicle exhibits noticeable engine surging when operating at normal...

99 Dodge Caravan | P0172

P0172 code on 04 Envoy

Hello all. I purchased a 04 Envoy 4.2L about two years ago and love it. But it needs help. This is long but I dont want to missing telling something that might be important so I...

04 Envoy | P0172

2000 Ford Explorer 5.0L V8 P0172 and P034- Misfire Under Electrical Load After Alternator Replacement

I have a 2000 Ford Explorer with a 5.0L V8 engine that has reached 106,000 miles. The issue began after experiencing low voltage from the air ride suspension system. A local sho...

2000 Explorer | P0172

98 Ford F-150 P0171/P0172/P0174 Diagnosis: Lean/Rich Codes Conflicting After Engine Rebuild

My 1998 Ford F-150 with a 4.6L engine is still not running properly after a recent engine rebuild. The check engine light (MIL) was already on prior to the rebuild, and it conti...

98 Ford F-150 | P0171

2001 Honda Prelude P0172 P0170 Running Rich - Black Exhaust & Fuel Trim Issues

My 2001 Honda Prelude-SH has been running rich for an unknown period of time, indicated by persistent black exhaust fumes and unburnt hydrocarbons. The check engine light is sho...

2001 Honda Prelude | P0170

P1128 and P0172 Fault Codes on 2000 VW Jetta 2.0: Causes and Solutions

I recently experienced a check engine light on my 2000 VW Jetta 2.0, with the fault codes P1128 and P0170 appearing. The vehicle is equipped with an intake high-flow catalytic c...

2000 VW Jetta | P0172

1996 gmc safari p0420 p0300 po131 p0151 p0172 decel misfire

I've replaced the EGR valve, all 4 O2 sensors, plugs, wires, cap&rotorX3. Now that I've got your curiosity - Here's our story - i've had this wonderful 213k mile 96 awd gmc saf...

1996 gmc safari | P0151