Traditional gasoline car fault

2002 Pontiac Sunfire Cylinder 1 Misfire: From Specific to Random, Diagnosis & Fixes

Hi everyone, I'm looking for help diagnosing a persistent misfire issue on my 2002 Pontiac Sunfire. The engine appears to have been replaced by a previous owner with a Cavalier-...

2002 Pontiac Sunfire | P0301

Honda Civic 2000 LX Misfire Codes P1399, P0300-P0304: Causes and What to Check

I own a 2000 Honda Civic LX with 114,000 miles. The check engine light came on immediately after filling the tank with gas. I had previously added a bottle of Redline fuel injec...

Honda Civic 2000 LX | P0300

2007 Hummer H3 P0301 Misfire Diagnosis: Spark, Fuel, or Wiring Issues?

I recently replaced the spark plugs and ignition coil for cylinder #1 on my 2007 Hummer H3 with a 3.7L V6 engine. After the replacement, the check engine light began flashing an...

Hummer H3 | P0301

2004 Ford Ranger 3.0L V6 P0316 and P0301 Codes: Diagnosis and Solutions After Replacing Spark Plugs, Wires, and CPS

I own a 2004 Ford Ranger with a 3.0L V6 engine, currently at 191,000 miles. I've already replaced the coil pack, spark plugs, spark plug wires, and the Crankshaft Position Senso...

2004 Ford Ranger | P0301

2000 GMC Sierra Running Poorly with No Spark on Driver's Side Coils and Fault Codes P0131, P0140, P0160, P0200, P0300

My 2000 GMC Sierra began running extremely poorly suddenly—experiencing severe sputtering and a complete loss of power. A mechanic I know inspected it and initially suspected fa...

truck | P0301

2001 Saturn SC 1.9L 4-Cylinder High Idle Issue: P0118, P0507, P0301 - Diagnosis & Fixes

I own a 2001 Saturn SC with a 1.9L 4-cylinder engine, currently at 120,000 miles. The vehicle is exhibiting persistent high idle issues along with diagnostic trouble codes P0118...

2001 Saturn SC | P0118

2002 Ford F150 5.4L Engine Misfire: Fault Codes B1676 and P0301 Explained

My 2002 Ford F150 King Ranch with a 5.4L V8 engine (50,000 miles) is showing two diagnostic trouble codes: B1676 and P0301. What do these codes mean, and what should I check to ...

2002 ford 150 | B1676

1996 Honda Accord P0301 Code: #1 Cylinder Misfire Diagnosis and Solutions

I'm experiencing recurring P0301 engine fault codes on my 1996 Honda Accord (232,000 km with VTEC engine). The P0301 code indicates a misfire in cylinder #1. I've already perfor...

96 Honda Accord | P0301

2000 Acura TL P0301, P0300, P0705, P0706, P1740 - Multiple Fault Codes After Spark Plug and Coil Replacement

I own a 2000 Acura TL and am currently experiencing multiple OBD2 fault codes: P1740, P0302, P0301, P0706, P0705, and P0300. I recently replaced the spark plugs and attempted to...

2000 Acura TL | P0301

2006 Dodge Stratus 4-Cylinder Engine P0301 Misfire: Diagnosis, Repair Attempts & PCM Programming Issues

I've been experiencing recurring engine misfire issues with my 2006 Dodge Stratus since November. The problem consistently shows up with a blinking Check Engine Light and engine...

2006 Dodge Stratus | P0301

2004 Mazda 6 2.3L Engine Misfire with Rich Mixture Smell - OBD Code $07E8/$07E9

My 2004 Mazda 6 2.3L is experiencing engine misfiring and a strong rich mixture odor. The diagnostic tool shows codes $07E8 and $07E9. I'm concerned about whether these are stan...

2004 Mazda 6 | P0300

2003 Ford Focus XTS 2.0L - P0301 and P0316 Codes: Spark Plug or Cam Sensor Issue?

I'm seeing both P0301 and P0316 codes on my 2003 Ford Focus XTS 2.0L. I've read that these codes often point to faulty spark plugs or a coil pack, but some sources suggest the c...

2003 Ford FOCUS XTS 2.0 | P0301

P0301 Fault Diagnosis on 2004 Mitsubishi Lancer: Ignition, Fuel or Mechanical Issues?

Hi everyone, I'm looking for help with a P0301 diagnostic code on my 2004 Mitsubishi Lancer. I've already checked the coil packs and they appear to be in good condition. What sh...

Mitsubishi Lancer | P0301

96 chevy 5.7 misfire

i have a 96 chevy k1500 with the 5.7. i keep getting a code for a misfire on cylinder 7. i have replaced cap, rotor, plugs and wiresand it has 175 pounds on all cylinders. the t...

96 chevy 5.7 | P0300

How to Properly Use a Leakdown Tester for P0301 Code in Propane-Fueled Vehicles

I'm experiencing a persistent P0301 misfire code with the Check Engine Light flashing under load during warm-up, and the issue has gradually worsened over the past 15,000 miles....

Unknown | P0301

2005 Ford Five Hundred Multiple Misfire Codes: P0300, P0303, P0306, P0354, P0355, P0356 and P2544 - Troubleshooting Guide

My 2005 Ford Five Hundred with a 6-speed automatic transmission and 3.0 L 6-cylinder engine is showing multiple misfire codes: P0300, P0303, P0306, P0354, P0-355, and P0356. The...

2005 Ford Five Hundred | P0300