Traditional gasoline car fault

2017 Ford Mustang 2.3L Ecoboost Premium Model P0304 Code: Diagnosis and Next Steps

I recently noticed the MIL (Malfunction Indicator Lamp) coming on in my 2017 Ford Mustang 2.3L EcoBoost Premium model. After connecting a OBD2 scanner, I found a persistent P030...

2017 Ford Mustang 2.3 Ecoboost Prem. | P0304

1997 Chevrolet K1500 P0304 Code: Diagnosis and Possible Causes After Multiple Repairs

Hello, I own a 1997 Chevrolet K1500 with a persistent P0304 diagnostic trouble code. Despite replacing the fuel injectors, cleaning valves, spark plugs, distributor cap, rotor, ...

1997 k1500 | P0304

2009 Toyota Corolla LE 4-Cylinder P0301, P0304, CT0121 - Check Engine & VSC Light On at 100,000 Miles

Hi everyone, I'm looking for help with my 2009 Toyota Corolla LE 4-cylinder. The check engine light and VSC (Vehicle Stability Control) light have been flashing for the past few...

09 Corolla LE | P0301

2003 Ford Focus Zetec P0304 Fault Code: Rough Running and Low Power Diagnosis

My 2003 Ford Focus Zetec is experiencing rough idle and significantly reduced power across all engine loads. The check engine light flashes intermittently, especially under high...

2003 ford focus zetec | P0304

P2279 and P0300-P0306 Faults in 2005 Honda Pilot: Idle Misfires and Stalling Until Warm-Up with AC On

My 2005 Honda Pilot is experiencing P2279 and misfire codes P0300 through P0306. The vehicle stalls after startup and only runs smoothly once it reaches operating temperature. T...

2005 Honda Pilot | P0300

2004 Hyundai Sonata GLS V6 Misfire Codes P0300/P0302/P0304/P0306: Does It Have an Ignition Failure Misfire Sensor?

Hi everyone, I'm looking for help with a persistent misfire issue on my 2004 Hyundai Sonata GLS with a 2.7L V6 DOHC engine. The car is showing multiple misfire codes: P0300, P03...

2004 Hyundai Sonata GLS | P0300

2005 Honda Pilot P0137, P2138, P0300 & P0302-P0306 Misfire Issues: Diagnosis and Fixes

Hello, I recently encountered multiple engine trouble codes on my 2005 Honda Pilot, which have been causing significant driving issues. Using an OBD-II scanner, I retrieved the...

Pilot 2005 | P0137

VW Golf 2.0 TDI DPF Issue: Fault Codes P2458 and P0304 Leading to Limp Mode at 68-000 Miles

Hi everyone, I recently had a complete engine failure on my 2.0 TDI VW Golf at 68,000 miles due to diesel runaway. As a result, I replaced the entire engine with a new turbo uni...

VW Golf | P0304

2000 Honda CR-V P1399 and P0304 Fault Diagnosis: Sensor Behind Cylinder 4 Near Manifold

I've identified the root cause of my P1399 and P0304 diagnostic codes on my 2000 Honda CR-V. The issue is a sensor or wiring harness located behind the engine, near cylinders 4 ...

2000 Honda CR-V | P0304

P0020, P0303, P0304 Fault Diagnosis for Mercedes C 180 K 2003 - Engine Shaking and Noise at Idle

I own a 2003 Mercedes C 180 K (105 kW, 143 hp) with good towing capacity. The vehicle is experiencing significant shaking and noise when idling. Multiple diagnostic scans have r...

mercedes c 180 k 2003 | P0020

2008 Hyundai Accent P0337, P0330, P0301, P0304 Fault: Crankshaft Position Sensor Issues and Fixes

A few months ago, my 2008 Hyundai Accent started showing the P0337 code, which I initially resolved by replacing the Crankshaft Position (CKP) sensor. The vehicle ran smoothly f...

2008 Hyundai Accent | P0301

Dodge Ram P0300/P0302/P0304/P0357

Hi all. I have a 2002 Dodge Ram 1500 with a 4.7L V8. My daughter has been using my truck for quite a while and she recently returned it to me because it started running rough an...

Dodge Ram | P0300

2015 Toyota Corolla P0304 Misfire While Driving - Solution & Diagnosis

I'm experiencing a persistent misfire issue in my 2015 Toyota Corolla with engine code P0304, indicating a misfire detected in cylinder 4. The problem first appeared during high...

2015 Toyota Corolla | P0304

P0304 Fault in 1.6L Mitsubishi Lancer with LPG System - How to Diagnose and Fix?

Hello everyone. My Mitsubishi Lancer 1.6L with an LPG kit is showing fault code P0304. I've already replaced the spark plugs and swapped the coil packs, but the engine still int...

Mitsubishi Lancer | P0304

2007 Pontiac Vibe OBD II Code P000301 and P030424: Are Six-Digit Codes Normal?

I own a 2007 Pontiac Vibe and recently noticed my check engine light has come on. Using an OBD-II scanner with a mobile app, I retrieved two diagnostic trouble codes: P000301 an...

2007 Pontiac Vibe | P0003

2005 Ford F-150 5.4L Engine Misfire Fix: P0304, P0308, P0300 with Vacuum Leak Diagnosis and PVC Hose Replacement

I’ve successfully resolved the cold/open loop misfires on my 2005 Ford F-150 5.4L engine—P0304, P0308, and P0300—through a combination of vacuum leak troubleshooting and compone...

2005 F-150 5.4L | P0300

2005 Ford F-150 5.4L Engine Misfire: P0304, P0308, P0300 - Cold Start & Open Loop Fuel Trim Analysis

At 4000 RPM, my MAF sensor reads consistently between 175-180 g/s, indicating normal airflow. Attached is a fuel trim graph showing Long-Term Fuel Trim (LTFT) B2 behavior. The ...

2005 F-150 5.4L | P0300

2005 F-150 5.4L cold/open loop misfire P0304, P0308, P0300

Every time I start my truck, it misfires P0304 and/or P0308 and/or P0300 (less frequent). As soon as it warms up, it clears up. But still feels like I'm missing some power. I'...

2005 F-150 5.4L | P0300

2007 VW EOS Fault Codes P0171, P0300-P0304, and P0455: Causes and Required Repairs

I own a 2007 Volkswagen EOS and am experiencing the following diagnostic trouble codes: P0171, P0300-P0304, and P0455. Can someone please clarify exactly which parts I need to r...

2007 VW EOS | P0171