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.
P0299 Diagnostic Code in Mitsubishi GLX: Causes and Repair Solutions
The P0299 diagnostic trouble code indicates a turbocharger underboost condition in a Mitsubishi GLX vehicle. This error typically occurs at low RPMs and suggests that the turboc...
Mitsubishi GLX | P02991999 Nissan Altima SE Fault Code P1447: What Does It Mean and How to Fix?
I own a 1999 Nissan Altima SE and my vehicle is showing fault code P1447. What does this error code mean, and what steps should I take to troubleshoot or fix it?
1999 Nissan Altima SE | P14472001 Mazda MPV Fault Code P1512: Intake Manifold Runner Stuck Closed (Bank 1)
I own a 2001 Mazda MPV and am currently encountering fault code P1512, which relates to the Variable Tumble Control Solenoid. Despite searching online, I'm unable to locate deta...
2001 Mazda MPV | P15122006 Jeep Wrangler 4.0L O2 Sensor Codes P0032 P0038 P0052 P0058 - Heater Control Circuit High Explained
I own a 2006 Jeep Wrangler with the 4.0L engine, and I've been experiencing intermittent O2 sensor fault codes: P0032, P0038, P0052, and P0058. All four codes indicate 'Heater C...
06 Jeep Wrangler | P00322002 Ford Econoline 4.2L Engine Code P0351: Cylinder 1 and 5 Not Firing, PCM Issue & Replacement Solution
My 2002 Ford Econoline with a 4.2-liter engine is displaying fault code P0351, indicating that cylinders 1 and 5 are not firing. After three days of troubleshooting, the issue w...
2002 Ford Econoline | P03512011 Saab 95 Engine Code P0010: Timing Issue or Camshaft Actuator Circuit Fault?
Hi everyone, I'm experiencing a persistent engine management light on my 2011 Saab 95 after having the timing adjuster and chain replaced. The vehicle is now showing OBD-II faul...
Saab 95 | P00102005 Dodge Neon P0016
My 2005 Neon has code P0016. How do i repair this and reset the computer?
2005 Dodge Neon | P00162002 VW Passat 2.8L Engine Misfire on Bank 1 - Diagnosis and Fixes
2002 Volkswagen Passat 2.8L gasoline engine (30 valves) experiencing misfires specifically on cylinder bank 1, affecting cylinders 1, 2, and 3. The issue appears to be isolated ...
VW Passat 2.8 | P0301P0345 Fault on 2000 GMC Safari: Camshaft Position Sensor Issue and Smog Test Concern
I own a 2000 GMC Safari passenger van with full features. The 'Service Engine Soon' light has been flashing intermittently, leading me to replace the camshaft position sensor. H...
2000 GMC Safari | P0345P0300 and P0301 OBD Codes in 2009 Chevy Silverado: Troubleshooting Guide
Hi there, I own a 2009 Chevrolet Silverado with a 6.0L V6 engine, currently at 120,000 miles. I've recently picked up OBD-II diagnostic codes P0300 (random/multiple cylinder mi...
2009 Chevy Silverado | P03001999 Pontiac Grand Prix GTR P0607 Code: Causes and Fixes for Low Coolant Warning and Stalling
I'm experiencing a P0607 diagnostic code on my 1999 Pontiac Grand Prix GTR 4-door supercharged model. The vehicle runs smoothly when cold but begins to show a 'low coolant level...
1999 Pontiac Grand Prix GTR | P0607P0325 Fault in 2003 Honda Civic LX 4-Cylinder with 5-Speed Manual: Engine Check Light On, Cluster Gauge Failure and No Start
I was driving my 2003 Honda Civic LX 4-cylinder with a 5-speed manual transmission when I noticed the dashboard gauges suddenly jumped in reading. The display briefly returned t...
2003 Honda Civic LX 4Cyl 5 Speed | P03252004 Pontiac Sunfire P0452 Code After Replacing Fuel Tank Pressure Sensor: Fix & Diagnosis Guide
Hello everyone! I'm new to this forum and apologize if I'm posting in the wrong section or repeating a common question. I'm not a mechanic, but I enjoy DIY repairs and hate bein...
2004 Pontiac Sunfire | P04522002 Jeep Liberty P0123 P0121 P0700 P0505 - Engine Light On, Poor Acceleration, Speed Limit at 30 MPH
My 2002 Jeep Liberty was running normally yesterday. However, after arriving home today, the engine warning light turned on and the engine sound became significantly louder than...
jeep liberty | P0121Timing Belt Replacement Causing P0171 System Too Rich Code in [Vehicle Model]?
I recently had my timing belt replaced on a [Vehicle Model]. Since then, the vehicle has been idling roughly and the check engine light is triggered with code P0171 — system too...
unknown | P21772002 F-150 Bifuel Issue: Service Engine Light On with Codes P1405 and P0460, CNG Switch Not Functioning
The service engine light has come on in my 2002 Ford F-150 bi-fuel vehicle, and the switch that allows me to switch between gasoline and natural gas (CNG) is no longer working. ...
Bifuel | P046098 Ford Navigator 4x4 5.4L Engine Shows P0118 Mode 10 - Sensor Voltage Reads -40°F Despite Expected 5V Output
I'm new to this forum and reaching out for help as I'm planning to retire by year-end—your insights would be greatly appreciated. Recently, I replaced the upper and lower manif...
98 Navigator 4X4 | P0118P0135 O2 Sensor Heater Fault in 2001 Chevrolet Blazer 4.3L Engine - Diagnosis and Fix
I recently encountered a P0135 and P0300 diagnostic code after installing a new engine in my 2001 Chevrolet Blazer with a 4.3L V6 engine. The P0300 code was initially caused by ...
2001 Blazer | P0135Practical 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.