Traditional gasoline car fault

2006 Saturn Vue V6 Misfires: P0300-P0306 Diagnostic & Fix Guide

Hi, I'm looking for help with my 2006 Saturn Vue V6 that's showing misfire codes P0300 through P0306. The vehicle was running fine before I replaced the spark plugs, and after r...

2006 Saturn Vue | P0300

VW 2001 New Beetle Check Engine Light: How to Fix P0322, P0304, and P1128 Codes

I own a 2001 VW New Beetle, and my check engine light came on. After visiting a parts store, I was given the following diagnostic codes: P0322 (Engine Speed Sensor Malfunction),...

VW | P0304

2001 Toyota Avalon P0300, P0302, P0304, P0306 Misfire Diagnosis - V6 Engine with Rough Idle and Intermittent Misfires

I own a 2001 Toyota Avalon with 150,000 miles featuring a 3.0L V6 engine. The vehicle exhibits a rough idle and intermittent misfiring—sometimes running smoothly, other times fa...

Toyota Avalon | P0300

2004 Audi A4 with O171, O300, O301-O304 Codes: How to Diagnose Lean Mix & Misfires Without Replacing MAF or O2 Sensors

I own a 2004 Audi A4 with 76,000 miles. No prior issues until yesterday when the check engine light came on unexpectedly after work. The stored fault codes are: - O171: System ...

2004 Audi A4 | P0171

1996 Ford Windstar 3.8L Misfire Codes P0300-P0306: Causes, Fixes & EGR Port Cleaning Guide

My 1996 Ford Windstar with a 3.8L engine is showing multiple misfire codes: P0300 (random misfire), P0301, P0304, P0305, and P0306. The vehicle sputters and runs poorly under lo...

1996 Windstar | P0300

'96 Ford Windstar - P0304 misfire anomaly

BRAND NEW TO YOUR FORUM ... PLEASE BE PATIENT WITH ME! I have a '96 Ford Windstar that has approx 135k miles on it's 3.8l engine. I keep getting the OBD code "P0304" indicating ...

96 Ford Windstar | P0304

2003 Volkswagen Jetta 1.8T: P0300, P0301, P0302, P0303, P0304, P0106 - Multiple Cylinder Misfires and MAP/MAF Sensor Issues

Hi everyone, My 2003 Volkswagen Jetta 1.8T is showing multiple misfire codes: P0300 (random misfire), P0301 through P0304 (individual cylinder misfires), and P0106 (Manifold Ab...

03 Jetta 1.8T | P0106

P0304 Fault in 2005 Dodge Neon SXT - Misfire Diagnosis and Solutions

My 2005 Dodge Neon SXT is displaying a P0304 cylinder 4 misfire code. I've already replaced the spark plugs, ignition wires, and the ignition coil. The engine idles roughly, and...

2005 Dodge Neon SXT | P0304

2004 Avalanche 5.4L P0300-P0301-P0303-P0305-P0307 Misfire Codes: Intake Manifold or Converter Issue?

I'm experiencing multiple misfire codes (P0300, P0301, P0303, P0305, P0307) on my 2004 Avalanche with a 5.4L V8 engine. A user suggested the intake manifold might be the issue—c...

avalanche | P0300

P0304 Fault in 2001 Jetta 1.8T: Engine Stumbles on Acceleration, Spark Plugs & Coil Pack Diagnosis

I'm experiencing a P0304 diagnostic trouble code on my 2001 Jetta 1.8T, which causes the engine to stumble during acceleration. The issue does not occur when the vehicle is in n...

2001 Jetta 1.8t | P0304

1998 Subaru Forester PO301-PO304 Cylinder Misfire: Symptoms, Causes & Solutions

My 1998 Subaru Forester (2.5L DOHC, manual transmission) is showing intermittent cylinder misfire codes: PO301, PO302, PO303, and PO304 — appearing one at a time in sequence but...

SUBARU | P0300

2000 Mercury Sable Cylinder 4 Misfire: How to Identify and Fix Without Replacing All Wiring

I recently started experiencing a flashing check engine light on my 2000 Mercury Sable, which the diagnostic scan revealed as a cylinder 4 misfire. I've already replaced the spa...

2000 Mercury Sable | P0304

99 Toyota 4Runner P0302 and P0301 Misfire Codes - Coil Pack or Injector Fault?

Freeze Frame Parameter Description Value DTC for which Freeze Frame was Stored P0302: Fuel System 1 Status - Closed Loop; Fuel System 2 Status - Not Supported; Calculated LOAD V...

99 4Runner | P0300

2001 VW Jetta, rain-related? P1142,1654,0300,0304,1166,0113

Hello all, I am new to this forum but already impressed by what I've read. It's nice to have a community like this. My 2001 VW Jetta has had a history of MAF sensor problems, s...

2001 VW Jetta | P0113