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.
2003 Honda Civic Hybrid P1600 and P1563 Code Explanation and Warranty Information
I recently had my 2003 Honda Civic Hybrid scanned at AutoZone, where they couldn't locate the codes P1600 and P1563 in their database. I tried searching online but found limited...
2003 Honda Civic Hybrid | P15632003 Dodge Neon P0442 and P0456 Fault Code Fix - Inspection Failure Solution
I purchased this 2003 Dodge Neon in February for my son. During the inspection, the vehicle failed due to fault codes P0442 and P0456. When I originally bought the car, the chec...
2003 dodge neon | P04421997 Toyota Camry P0401 Error Code: Causes and Solutions After EGR Valve Replacement
I recently purchased a 1997 4-cylinder Toyota Camry that is displaying error code P0401. I've already replaced both the EGR valve and the EGR vacuum (back pressure) valve, and I...
1997 Toyota Camry | P0401P0138 code Dodge Ram 1500 P/U
I'm new here. After reading various forums about trouble codes, this group seems to be on top of this stuff. I'm no expert mechanic so bear with me a little. The vehicle is a...
Dodge Ram 1500 P/U | P01381997 Dodge Grand Caravan P0011 Fault Code: Diagnosis and Solutions
While driving at highway speed, my 1997 Dodge Grand Caravan began running roughly—experiencing stalling, loss of acceleration, and requiring throttle manipulation to maintain co...
1997 dodge grand caravan | P001197 Mercury GM P1451 Code: How to Locate and Replace EVAP Canister Vent Solenoid
I own a 1997 Mercury Motorsport (GM model) and recently received a P1451 diagnostic code indicating an issue with the EVAP canister vent solenoid. I'm trying to determine if thi...
97 Mercury | P14512004 Chevy Cavalier P0130 Code: Won't Start After Cold Starts - O2 Sensor & Spark Plug Replacement Needed?
Hello! Thanks for this helpful forum. My girlfriend's 2004 Chevrolet Cavalier has been running roughly, especially in cold weather. Yesterday, it started but ran very poorly—she...
2004 Chevy Cavalier | P01302002 Dodge Grand Caravan P0135 O2 Sensor Heater Circuit Fault: Causes and Diagnosis
Hi everyone, I recently received a P0135 diagnostic code on my 2002 Dodge Grand Caravan. This code indicates an issue with the oxygen (O2) sensor heater circuit. My brother-in-...
2002 Dodge Grand Caravan | P01352000 Nissan Frontier 2.4L Engine - Location and Function of MAP/BARO Pressure Solenoid
Where is the MAP/BARO pressure solenoid located in a 2000 Nissan Frontier 2.4L engine, and what is its function? The MAP (Manifold Absolute Pressure) or BARO (Barometric Pressur...
2000 Nissan Frontier 2.4 | P00171999 Volkswagen Golf 2.0L Standard Transmission: Check Engine Code P1582 Explained
After refueling, the 1999 Volkswagen Golf with a 2.0-liter engine and standard transmission has triggered manufacturer-specific diagnostic code P1582, causing the check engine l...
1999 Volkswagen Golf | P15822002 Toyota Camry SE V6 OBDII P0430 Fault Code: Diagnosis and Repair Guide
Hi everyone, I'm experiencing a recurring P0430 OBDII diagnostic error on my 2002 Toyota Camry SE V6. The check engine light comes on intermittently and then goes off by itself...
2002 Toyota Camry SE V6 | P04302000 Nissan Frontier 2.4 OBD Code P1105: Meaning, Causes, and How to Fix
I own a 2000 Nissan Frontier with a 2.4L engine. My vehicle is displaying OBD II diagnostic code P1105. What does this error code mean, and what are the common causes? Can I cle...
2000 Nissan Frontier 2.4 | P1105P0170 OBD2 Code in 2006 Range Rover Sport: Freeze Data Analysis and Diagnosis
I recently started receiving the P0170 diagnostic trouble code on my 2006 Range Rover Sport. The code appears approximately one minute after starting the engine—first as a pendi...
Range Rover (2006) | P0170P0305 Fault in 2005 Chrysler Pacifica AWD with Low Cylinder Compression - Diagnosis & Repair Advice
My 2005 Chrysler Pacifica AWD vehicle was involved in an accident and recently had a vacuum hose replacement for the cruise control system, along with a new harness installed. S...
Chrysler Pacifica | P03052001 VW Beetle - ERR=Communication Error: What Does It Mean and How to Fix It?
My 2001 Volkswagen Beetle has been acting up again, as it often does. I've tried connecting it to the latest scanners from various brands, but all show an error code: ERR=Commun...
VW Bettle | P21772001 VW Beetle - Error Code 'Communication Error': What Does It Mean? Diagnosing and Fixing Steps
My 2001 Volkswagen Beetle has been acting up again, as it often does. I've tested it with the latest diagnostic scanners from multiple brands, all showing the same error: ERR = ...
VW BETTLE | P0000P1131 Diagnostic Code for 1998 Mercury Sable 3.0L - Causes and Fixes
The P1131 diagnostic code appears intermittently on my 1998 Mercury Sable 3.0L, occurring approximately every 2 times at 190,000 kilometers. The vehicle runs smoothly, and I rec...
1998 Mercury Sable 3.0L | P11312001 Mazda MPV Fault Code P1518: Manufacturer Controlled Vehicle Speed and Idle Control Issue
My 2001 Mazda MPV is displaying fault code P1518. The OBD-II reader indicates the issue is related to 'Manufacturer controlled, vehicle speed, idle control and auxiliary inputs'...
2001 Mazda MPV | P15181998 Dodge Dakota 3.9L V6 'NO BUS' Fault: No Start, Cranks but Won't Start - PCM Issues After Front Corner Collision
My 1998 Dodge Dakota with a 3.9L V6 engine is showing a 'NO BUS' fault code and will not start — it cranks but fails to ignite. I've already tested the bus line using a digital ...
02 Dodge Dakota 3.9 v6 | P0034Practical 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.