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.
2002 Silverado P0300 Code: Cold Weather Rough Idle and Engine Stalling
My 2002 Chevrolet Silverado has been exhibiting a recurring issue when the outside temperature is cold. The service engine light activates intermittently, and when it does, the ...
02 silverado | P03002002 Silverado P0341 Code: What It Means and How to Fix It
I previously had a P0140 oxygen sensor code, which resolved after replacing the sensor. However, the next day I'm now seeing a P0341 code along with P0341 PD (Camshaft Position ...
Silverado | P03412002 Jeep Wrangler 4.0L Engine P1492 Fault: Battery Temperature Sensor Damaged by Squirrel Chewing - Fix & Reset Guide
I'm experiencing a persistent OBD II fault code P1492 on my 2002 Jeep Wrangler (4.0L, 6-cylinder, 4x4) with approximately 12,000 miles. The code P1492 indicates 'Battery Tempera...
MOPAR | P14922001 Nissan Sentra 1.8L P0430 Fault: Front or Rear Catalyst Converter Issue?
I recently received a diagnostic code P0430 on my 2001 Nissan Sentra with a 1.8L engine. The dealership has advised that the catalytic converter needs replacement. My vehicle is...
2001 Nissan Sentra | P04301996 Chevrolet Suburban P0300 Code: Fuel Pressure Regulator Issues and Engine Starting Problems
Four months ago, my 1996 Chevrolet Suburban with a 5.7L Vortec engine began throwing a P0300 random misfire code. The dealer replaced the fuel pressure regulator at that time. L...
96 suburban | P0300P0304 Fault on 2000 Ford Expedition with 5.4L Engine at 145,000 Miles
I'm experiencing a persistent P0304 cylinder 4 misfire code on my 2000 Ford Expedition with a 5.4L V8 engine, currently at 145,000 miles. I recently replaced the coil pack (COP)...
2000 Ford Expedition | P030496 Riviera DTC P1406
I am trying to figure this code out but am having no luck. I have tried 3 different egr valves and the SES light comes on every time telling me egr valve pintle position error. ...
96 Riviera | P14061996 Buick Roadmaster LT1 - P0420 Code Fluctuates: Causes, Fixes & OBD2 Diagnosis
Hi everyone! I'm having an intermittent issue with my 1996 Buick Roadmaster LT1 (118,000 miles). The vehicle occasionally triggers Diagnostic Trouble Code P0420 on Bank 1, which...
Buick Roadmaster | P0420How to Diagnose and Fix P0420 OBD2 Error on 1997 Toyota Camry V6: Catalytic Converter or Exhaust System Issue?
I'm experiencing a recurring P0420 diagnostic trouble code (DTC) on my 1997 Toyota Camry with a 3.0L V6 engine. This code indicates a catalytic converter efficiency issue, as de...
1997 Camry | P04201996 Nissan Maxima MIL On with P0325, P0500, and P0600 - Diagnosis & Fix Guidance for Oregon Drivers
My 1996 Nissan Maxima has approximately 119,000 miles on it. The vehicle runs perfectly—no misfires, no pinging, starts immediately, no smoke, and the speedometer functions corr...
96 Nissan Maxima | P0325P0441 Fault Code on 2001 Toyota Tundra: Causes and Fixes
The check engine light is on in my 2001 Toyota Tundra, and the diagnostic trouble code P0441 has been detected. I've already checked the gas cap, which appears to be secure, and...
2001 TOYOTA TUNDRA | P04412001 Subaru Impreza RS P0130 O2 Sensor Rich Mix Issue After Valve Repair and Timing Belt Replacement
I own a 2001 Subaru Impreza RS with a 2.5L engine, currently at 49,049 miles. It has a manual 5-speed transmission. The vehicle was involved in a collision that caused the timin...
subaru | P0130P0300, P0304, P0306 and P0171/P0174 Fault Diagnosis - 1999 Ford F-150 4.2L Engine
I own a 1999 Ford F-150 with a 4.2L V8 engine and am currently experiencing multiple OBD-II diagnostic trouble codes: P0171 (System Too Lean Bank 1) and P0174 (System Too Lean B...
1999 ford f150 | P01742002 Honda Civic EX P0730 and P1298: Whining Noise, Gear Slippage, and Transmission Stuck - Solenoid or Fluid Issue?
I currently own a 2002 Honda Civic EX (4-door) with 80,000 miles. The vehicle is displaying two diagnostic trouble codes: - P1298: Electrical Load Detector Circuit High Input - ...
Honda Civic | P07302003 Dodge Ram 1500 3.7L with P0340, P0320, and P0700 Codes: Battery Connection Issue or Deeper Fault?
My 2003 Dodge Ram 150
03 Ram 1500 3.7L | P0320P0403 Code Reappears in 1999 Chrysler Voyager After 100 Miles - EGR System Diagnosis
A friend recently purchased a 1999 Chrysler Voyager with approximately 150,000 miles on its 3.3L engine. The Service Engine Soon (SES) light was illuminated, and an OBD-II scan ...
Chrysler Voyager | P0403P1131, P1151, P0174, P0304, P0306 - Diagnosis and Fixes for 2000 Ford Expedition with 145K Miles
I'm experiencing multiple OBD-II fault codes on my 2000 Ford Expedition: P1131, P1151, P0174, P0304, and P0306. The vehicle has accumulated 145,000 miles and is running roughly,...
2000 Ford Expedition | P0174Practical 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.