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.
P0336 Fault Code on 1996 Chevrolet Lumina 3.1L: Sensor Replacement and Diagnosis Guide
I recently encountered a P0336 diagnostic code on my 1996 Chevrolet Lumina 3.1L engine. I replaced the crankshaft position sensor located behind the crankshaft pulley over the w...
96 Lumina 3.1L | P03361998 Chevrolet Tahoe P0300 Code: Fuel Pressure Issue When Towing Heavy Loads
Hi everyone, I have a 1998 Chevrolet Tahoe that consistently throws the P0300 code when towing heavy loads. This issue started around 100,000 miles and has persisted through no...
98 Tahoe | P03001996 Chevy Lumina P0336 Code: Crankshaft Position Sensor Issue - Which Sensor Is A or B?
I own a 1996 Chevrolet Lumina 4-door sedan with a 3.1L V6 engine and am currently experiencing the P0336 diagnostic trouble code (DTC). After noticing that wiggling the wires co...
96 Chevy Lumina | P0336P0511 Fault Code on 2003 Toyota Echo: Idle Air Control Circuit Issue and Related Emissions Codes P0441, P0442, P0446, P0456
I recently encountered a P0511 diagnostic code on my 2003 Toyota Echo. My son-in-law scanned the vehicle and confirmed the code, which indicates an issue with the Idle Speed Con...
Toyota Echo | P05112002 Chevrolet Express Van P0102 and P0302 Fault: Won't Start After Engine Shake During Acceleration
My 2002 Chevrolet Express Van 1500 with a 4.3L engine has reached 280,000 miles. Recently, while driving, the check engine light came on and the engine began shaking violently d...
2002 Chevy Express van | P0102Kia Sedona 2.9 CRDI Engine Stuttering: MAF Code 0101 and 1140 Diagnosis & Fixes
I own a 2005 Kia Sedona with a 2.9L CRDI diesel engine, manually driven. The vehicle was purchased at 150,000 miles with an engine that had a cracked head. After replacing the ...
KIA Sedona 2.9 CRDI | P01012005 Jeep Liberty Diesel P1263 Fault: Is It Safe to Travel 700km in Summer?
I've recently received a diagnostic code P1263 on my 2005 Jeep Liberty Diesel CRD. Based on community discussions, this code is commonly associated with a faulty glow plug. I'm ...
2005 Jeep Liberty Diesel | P1263Frequent P0420 Catalyst Efficiency Code on 2008 GMC Acadia - Diagnosis and Fixes
We own a 2008 GMC Acadia with approximately 80,000 miles and have been experiencing recurring P0420 fault codes. The issue appears to occur only briefly—long enough for the engi...
2008 Acadia | P04202006 KIA Rio 1.6L Engine Code P0304: Causes, Fixes & Fuel System Depressurization Guide
My 2006 KIA Rio with a 1.6L engine recently triggered the check engine light after driving approximately 10,000 miles. Using an OBD-II scanner, I detected fault code P0304, whic...
2006 KIA Rio | P0304PO300 and PO152 Fault Codes - 2002 Chrysler Concord 3.5L Engine Diagnosis
2002 Chrysler Concord with a 3.5L engine, original owner, 58,000 miles. The check engine light has been on and diagnostic codes PO155, PO153, and PO340 have appeared. I replaced...
2002 Chrysler | P0152P0564 Cruise Control Multi-Function Input Fault - Vectra C SRi Diagnosis and Troubleshooting
I recently received a P0564 diagnostic code on my Vectra C SRi, indicating a 'Cruise Control Multi-Function Input Signal' fault. I've already performed the pedal test but am uns...
Vectra C | P05642006 Legus GS300 P0200-P0206 Multiple Misfire Codes After Rain - Temporary Fix After 30-40 Minutes of Driving
Hi everyone! Sorry for my limited English. I'm experiencing multiple OBD-II diagnostic trouble codes on my 2006 Legus GS300: P0200, P0201, P0202, P0203, P0204, and P0205. These...
Legus GS300 | P02001996 Ford Windstar 3.8L EGR System Fault: Fixing P1405 Code with Missing Hose and DPFE Sensor Connections
Hello! I recently encountered fault code P1405 on my 1996 Ford Windstar 3.8L, indicating an issue with the Exhaust Gas Recirculation (EGR) system. Upon inspection, I found that ...
Ford Windstar | P140598 Toyota Camry P0135 and P0125 Fault Codes: Diagnosis and Emissions Testing Fix
Hi everyone, I recently purchased a 1998 Toyota Camry from my father-in-law. The car runs smoothly and performs well under normal conditions, but it's showing two OBD-II diagnos...
98 Toyota Camry | P0125PO302 Cylinder 2 Misfire with White Smoke and Strong Gas Odor - 2000 Oldsmobile Alero
I'm experiencing a cylinder 2 misfire on my 2000 Oldsmobile Alero, indicated by the diagnostic code PO302. When I start the car, it shakes noticeably and emits quick bursts of w...
2000 Alero | P0302Black Smoke & P0171 Code on 1999 Toyota RX 300: Diagnosis and Solutions
Hello everyone, I'm experiencing black smoke from the exhaust and a strong foul odor coming from my 1999 Toyota RX 300. The vehicle is showing OBD2 fault code P0171 — System To...
Unknown | P0171Practical 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.