Traditional gasoline car fault

2001 Nissan Sentra 1.8L P0303 Misfire: Diagnosis and Solutions with Coolant Leak Insight

I'm experiencing a persistent P0303 misfire code on my 2001 Nissan Sentra with the 1.8L QG18DE engine. I've confirmed that cylinder 3 is misfiring, and after swapping the coil p...

2001 Nissan Sentra | P0303

1996 Dodge Intrepid 3.5L: P0303, OBD-II Codes 12 & 43 - Misfire at Idle and Cold Start Diagnosis

Hi everyone, I own a 1996 Dodge Intrepid with a 3.5L engine, currently at 185,000 miles. I haven't had a tune-up in over 4 years (last one at 70,000 miles), and the vehicle has...

1996 Intrepid | P0303

P0303 Misfire Detected in Cylinder 3 - 1999 GMC Suburban Specific Diagnosis and Fixes

I'm experiencing a P0303 misfire specifically in cylinder 3, which only occurs when driving up a long, steep hill. The issue does not appear under normal driving conditions. I r...

1999 GMC Suburban | P0303

2001 Windstar P0303 Fault: Causes, Fixes, and Coil Pack Location Guide

I'm seeking help with a persistent P0303 fault on my 2001 Ford Windstar. Despite recently replacing the spark plugs, spark plug wires, catalytic converter (front and rear), and ...

2001 Windstar | P0303

2003 Honda Civic EX P0300, P0302, P0301, P0303, P0304

Any help would be greatly appreciated! ---------------------------------------------- Year: 2003 Make: Honda Model: Civic Engine: 1.7L SOHC 4 Cyl (D17A6) Mileage: 43000 Stored: ...

2003 Honda Civic EX | P0300

2002 Avalanche Z71 - P0303 and P1870: Transmission Slipping & Cylinder 3 Misfire Diagnosis

My 2002 Chevrolet Avalanche Z71 is showing two diagnostic trouble codes: P0303 (Cylinder 3 misfire detected) and P187-70 (Transmission slipping, as per Chilton's manual and OBD-...

AVALANCHE Z71 | P0303

2000 Ford Taurus P0303 Cylinder 3 Misfire: Diagnosis and Fixes After Spark Plug and Coil Replacement

I've been experiencing a persistent misfire in cylinder 3 of my 2000 Ford Taurus for nearly a month. I've already replaced the spark plugs, spark plug wires, ignition coil, and ...

2000 Ford Taurus | P0303

2000 Ford Taurus Cylinder 3 Misfire in Wet Conditions - Common Causes and Fixes

My 2000 Ford Taurus is showing a misfire on cylinder 3. This issue typically doesn't occur under normal driving conditions but appears specifically during wet or damp weather. A...

2000 Ford Taurus | P0303

2003 Ford Expedition 5.4L Misfire P0300 with Additional OBD II Codes - How to Diagnose and Fix

I own a 2003 Ford Expedition 5.4L 2WD with 93,000 miles. The vehicle was loaned to a church group and driven during a severe storm on highway conditions. After the drive, the OB...

03 Expedition 5.4l | P0300

2000 Cadillac Seville STS P0300 and P0303 Misfire Diagnosis - OBD2 Code Help

Hi, I have a 2000 Cadillac Seville STS with 172,000 miles. The On-Board Diagnostic (OBD) system shows both P0300 (random misfire) and P0303 (misfire detected in cylinder #3). I...

2000 Seville STS | P0300

1997 Honda Civic P0302/P0303/P0304 and P1300/P1399 Misfire: Ignition System Diagnosis & Repair Options

Hello everyone, I own a 1997 Honda Civic with 61,000 miles. Recently, after completing a comprehensive 60,000-mile maintenance service, the Check Engine Light (CEL) came on. I ...

97 Civic | P0302

2003 Jeep Liberty 3.7L V6 P0300/P0303/P0305 Poor Idle Fix: Left Cam Gear Misalignment Solution

I recently resolved a persistent idle issue on my 2003 Jeep Liberty 3.7L V6 with codes P0300, P0303, and P0305. Initially, the engine ran fine when hot or cold but exhibited a n...

2003 Jeep Liberty 3.7L V6 | P0300

Mazda Protege 2001 PO303 Code: Open Loop Running at 186°F - How to Diagnose and Fix

I'm experiencing a persistent issue with my 2001 Mazda Protege MP3. The symptoms began with a rough idle and noticeable loss of engine power. The check engine light (MIL) activa...

Mazda Protege | P0303

2002 Pontiac Montana 3.4L Engine Misfire Code P0303: Diagnosis and Solutions

I recently installed a new crankshaft, rod, and all bearings in my 2002 Pontiac Montana 3.4L V6 engine. After driving for two weeks without issues, I began receiving a persisten...

2002 Pont. Montana 3.4 | P0303

2003 Hyundai Tiburon 2.7L V6 P0300/P0301/P0303/P0305 Fault - Right Bank Cylinder Misfire with Supercharged Roots Blower Kit

Hello, I'm looking for advice on diagnosing recurring misfire codes P0300, P0301, P0303, and P0305 on my 2003 Hyundai Tiburon 2.7L V6 with a supercharged Roots blower kit. The ...

Hyundai Tiburon | P0300

P0303 Fault on Smart Fortwo Diesel - Cylinder 3 Misfire Diagnosis

Hi everyone, I'm looking for help with a P0303 fault on my Smart Fortwo diesel model. The check engine light is illuminated, and after using an OBD2 scanner, the diagnostic res...

SMART FORTWO DIESEL | P0303

P0303 Misfire Diagnosis and Repair for 2002 Chevrolet Tahoe - Fuel Injector or Ignition System?

I'm experiencing a persistent P0303 diagnostic code on my 2002 Chevrolet Tahoe, indicating a misfire in cylinder 3. I've already replaced the spark plugs, plug wires, and the de...

2002 Tahoe | P0303

96 Dodge Ram 1500 V8 5.2L Multiple Cylinder Misfires - Fuel System & Ignition Diagnostics

My 1996 Dodge Ram 1500 with a 5.2L V8 engine is experiencing multiple cylinder misfires across all eight cylinders. I've already replaced the spark plugs, ignition wires, distri...

96 Dodge Ram 1500 | P0300