Traditional gasoline car fault
Search fault code and browse forum case posts.
This page is designed for quick diagnosis on gasoline vehicles by combining code lookup with real discussion cases. Enter a fault code to filter related topics, then compare symptom context such as cold start behavior, acceleration load, fuel-trim deviation, ignition misfire pattern, and recent maintenance history. Many codes can be triggered by shared root causes, so use cross-checks from multiple posts before replacing sensors, coils, injectors, or catalytic components.
2001 Eclipse GT Check Engine Codes P0141, P0136, P0403, P0443, P1400 - Causes and Solutions
I own a 2001 Mitsubishi Eclipse GT and have recently noticed a significant drop in engine performance. The vehicle feels like it's producing more power than normal, but this is ...
2001 Eclipse GT | P01362001 Ford f 150 4.2 V6 p0300 p0306 misfire
2001 Ford f 150 4.2 V6 with P00303 and P00306 misfire codes, 178,000 miles, well maintained. In the beginning there were also P00171 and P00174 codes, (too lean bank 1 and 2). I...
2001 Ford F-150 | P03001999 Honda Accord V6 - How to Identify Cylinder 1, Locate PCV Valve, Fuel Filter, and Access MAF Sensor
Thank you for your explanation. I own a 1999 Honda Accord V6 and need clarification on several components. Could you please specify which of the six cylinders is Cylinder 1? Whe...
1999 Honda Accord | P04012002 Honda CR-V EX OBDII Codes P1166 and P1167: Do These Indicate a Catalytic Converter or Oxygen Sensor Issue?
My 2002 Honda CR-V EX is showing OBDII diagnostic codes P1166 and P1167. I believe these relate to the oxygen sensors located before and after the catalytic converter. Do both c...
2002 Honda CR-V EX | P1166OBD2 Code P2188 in 2008 Smart Car: Meaning, Causes, and Resolution
What does the '2' mean in OBD2 code P2188? This is my first time encountering this fault code. The P2188 refers to 'Fuel Temperature Sensor B Circuit High Input', which indicate...
Smart | P21882000 Kia Sportage P0323 Code Explanation and Possible Causes
I own a 2000 Kia Sportage and recently discovered the P0323 diagnostic trouble code in my owner's manual. I understand that this code is related to the ignition/distributor engi...
2000 KIA Sportage | P03232000 Lincoln LS V6 Trouble Code P1633: How to Fix and Clear the Code
I own a 2000 Lincoln LS with a V6 engine that is displaying trouble code P1633. The code persists and won't clear even after battery reconnection and fuse checks. What steps sho...
Lincoln LS V6 2000 | P16332001 Chevy 1500 Z71 5.3L Engine P0404, P0171, P0174 and P0301 Fault Codes - How to Fix
I'm experiencing multiple OBD2 fault codes on my 2001 Chevrolet 1500 Z71 with a 5.3L V8 engine: P0174, P0171, P0301, and P0400. What steps should I take to diagnose and fix thes...
2001 Chevy 1500 Z71 | P01712005 Chrysler PT Cruiser P0302 Fault: What to Do After Replacing Spark Plugs and Wires
I've already replaced the spark plugs and ignition wires on my 2005 Chrysler PT Cruiser, but the check engine light is still on with fault code P0302. I'm not very experienced w...
2005 Chrysler PT Cruiser | P03022006 Cadillac CTS P201 P301 U0100 Codes: Causes and Fixes for Rough Idle and Flashing Check Engine Light
This morning I started my 2006 Cadillac CTS and noticed the engine light was on, with a rough idle. While driving my wife to work, I observed that the engine light began flashin...
2006 Cadillac CTS | U01002008 Mazda Bongo Brawny Diesel Engine Won't Start with P0002 Diagnostic Code
I own a 2008 Mazda Bongo Brawny equipped with a diesel engine. The vehicle is not starting and has been displaying the P0002 diagnostic trouble code. I'm unsure of the next step...
2008 Mazda Bongo Brawny | P00022010 Ford Fusion P0456 Fault: Capless Fuel System & EVAP Leak Solution
Hello — I'm experiencing a P0456 diagnostic trouble code on my 2010 Ford Fusion at 68,000 miles. I was initially concerned about the absence of a traditional gas cap, as this mo...
2010 ford fusion | P04562006 Chevrolet Impala P0011 Code: Camshaft Position Timing Over-Advanced Fix & Cost Guide
I own a 2006 Chevrolet Impala that failed emissions testing due to the P0011 diagnostic trouble code. The code indicates 'Camshaft Position-Timing Over-Advanced or System Perfor...
06 impala | P0011P0130 and P0134 OBD2 Codes on 2002 GM Alero: Diagnosis and Troubleshooting
My 2002 GM Alero is not starting, and the code reader shows P0130 and P0134. I've already replaced the spark plugs, ignition coil, and ignition control module, but the issue per...
GM | P01302003 Lincoln LS Transmission Codes P0713, P0740, P0748, P0758, P0763, P0755, P0743: Causes and Solutions After Engine Replacement
I own a 2003 Lincoln LS with a 3.0L V6 engine. The vehicle previously lacked power and failed to shift out of first gear, requiring me to floor the gas pedal to reach around 4,0...
2003 Lincoln LS | P0713P0441 Fault Code Explanation and Repair Cost for 2002 VW Cabrio Evaporative Emission System
Hi everyone, I'm looking for help regarding a P0441 diagnostic code on my 2002 Volkswagen Cabrio. The code indicates an 'Evaporative Control System Incorrect Purge Flow' issue,...
2002 VW Cabrio | P04412005 Chrysler Town & Country P1684, P0562, and P0420 Codes: Diagnosis and Fixes
I own a 2005 Chrysler Town & Country that has been displaying three check engine light codes: P1684, P0562, and P0420. Based on other forum posts, I believe P0562 may indicate a...
2005 Town and Country | P0420Mazda Premacy 2001 1840cc P0420 and P0421: Is Catalytic Converter Replacement Necessary? Diagnosing OBD-II Error Codes for Older Vehicles
I own my Mazda Premacy 2001 (1.8L 1840cc) for about 10 years. For many years, I've had the check engine light on due to error codes P0420 and later P0421. At a local garage, the...
Mazda Premacy | P04202006 Chevrolet Cobalt P1182 Diagnostic Trouble Code: What Does It Mean and How to Fix It?
corky210 wrote: I have a 2006 Chevrolet Cobalt with a 2.2-liter engine that is showing two diagnostic trouble codes: P0135 and P030. I'm wondering if replacing both oxygen (O2) ...
2006 chevrolet cobalt | P11822006 Chevy Malibu P0446 Code: Causes and Troubleshooting Guide
I'm experiencing a P0446 diagnostic trouble code on my 2006 Chevy Malibu. I've already replaced both the evaporative (EVAP) solenoid and the purge solenoids. Despite thorough in...
2006 Chevy Malibu | P0446Practical workflow for fault-code troubleshooting
Start by confirming battery voltage and reading freeze-frame data, then inspect wiring and connectors before replacing parts. If the code returns after clearing, record the exact driving or idling condition when it reappears. Prefer case threads with complete repair feedback, because confirmed outcomes provide stronger guidance than one-time symptom descriptions. Following a step-by-step workflow reduces repeated repairs and lowers total diagnosis time.