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.
1999 VW Passat P1136 Code: Diagnosis and Fixes for 'Too Lean' Fuel Trim Issue
My 1999 Volkswagen Passat 1.8L Turbo (4-cylinder, 130K miles) has recently developed a check engine light that came on the day after an oil change. After bringing it in for serv...
1999 VW Passat | P11362000 toyota tacoma with california po420
Good Morning i have a 2000 toyota tacoma that i have have had a po420 i have replaced the primery cat did not solve the code the second cat does not show any failure systoms as ...
2000 Toyota Tacoma | P0420P1166/P1167 Fault Code on 2000 Honda Accord 4Cyl F23A4 Engine - Open Loop O2 Sensor Issue
I'm experiencing a P1166 and P1167 diagnostic trouble code on my 2000 Honda Accord with the 4-cylinder F23A4 engine. My ProScan laptop shows an open-loop reading from the oxygen...
2000 Honda Accord | P11662004 Honda Accord EX 2.4L Engine Light On with P0420 Code - What Does It Mean?
I recently purchased a 2004 Honda Accord EX with a 2.4-liter engine and 50,000 miles. The car has an automatic transmission. About three days ago, I added a fuel injector cleane...
2004 Honda Accord EX 2.4L | P0420P1135 Fault Diagnosis and Repair on 2001 Toyota Tacoma
The P1135 diagnostic trouble code on a 2001 Toyota Tacoma refers to an issue with the Air Fuel Metering Sensor, which is located on the intake manifold. This sensor plays a crit...
01 Tacoma | P11352002 VW Golf TDI 发现 P0672 故障码，如何排查和解决？
我最近更换了车辆的发电机，旧发电机突然完全脱落。在驾驶过程中，我发现发动机出现类似敲击的声音。检查故障码后发现显示P0672代码，但我在所有资料中找不到该代码的具体含义。请问这代表什么问题？应该如何诊断和修复？希望有经验的朋友能提供帮助。
2002 VW Golf TDI | P06722002 Dodge Grand Caravan P0455 and P0422 Error: Gas Gauge Drops to E at 1/4 Tank - EVAP Leak & Fuel Level Sensor Issues
My wife and I own a 2002 Dodge Grand Caravan with a 3.3L V6 engine. A few weeks ago, she noticed that once the fuel gauge reached one-quarter tank, it would suddenly drop to 'E'...
2002 dodge caravan | P0422Dodge Ram 2003 1500 Quad Cab 4.7L V8 - P0344 Misfire at High RPM: Causes and Fixes
Hi! I own a 2003 Dodge Ram 1500 Quad Cab 4x4 with a 4.7L V8 engine, currently at 71,000 miles. Recently, the vehicle started misfiring specifically above 3500 RPM, and the OBD2 ...
Chamshaft | P03441997 Ford Explorer 4.0L XLT with P1506 Idle Air Control Over Speed Error - Diagnosis and Fixes
I'm seeking detailed information about the P150-6 'Idle Air Control Over Speed' error code in my 1997 Ford Explorer 4.0L V6 automatic XLT. The vehicle has 121,000 miles and runs...
97 Explorer 4.0 XLT | P15062002 Toyota Corolla O2 Sensor Fault: Post-Replace Engine Shake and Stalling at 3000+ RPM - Check Engine Light Off After Repair
My 2002 Toyota Corolla (125,850 miles) has been well-maintained by me as a commercial aircraft mechanic. It ran smoothly until around 98,000 miles when the check engine light ca...
2002 Corolla | P21771997 Nissan Maxima with P1445 and P0130 Codes: How to Fix for NJ Inspection Pass?
I own a 1997 Nissan Maxima with 235,000 miles. It has an automatic transmission—there were two versions available that year, but I'm unsure which one my car has. The vehicle has...
1997 Maxima | P01302001 Toyota Tacoma P1135 Code: Air Fuel Metering Issue After MAF Sensor Replacement
I own a 2001 Toyota Tacoma with an extended cab, 4WD, 3.4L V6 engine, 106,000 miles, and a 5-speed manual transmission. After replacing the Mass Airflow (MAF) sensor and resetti...
Tacoma | P11351999 Suburban P1345 Code: Cam Sensor Replacement Failed, Still Getting Lean on Bank 2 - Help Needed
I own a 1999 Chevrolet Suburban 350 with a persistent P1345 code. I've already replaced the camshaft position sensor, but the code remains. Additionally, I'm seeing lean conditi...
99 SUBURRAN | P13452001 Mazda MPV Check Engine Code 1481: What Does It Mean and How to Fix It?
The check engine light has come on again on my 2001 Mazda MPV. After taking it to the shop, the diagnostic tool returned code 1481. The mechanic could not provide any informatio...
Mazda MPV | P14812002 Camry Check Engine Code P1121: Mass Air Sensor or Throttle Position Sensor Issue?
While driving today, my 2002 Toyota Camry suddenly lost power and the check engine light illuminated. The vehicle restarted but exhibited significant performance issues—slow acc...
2002 Camry | P1121P1193 and P0455 Diagnostic Codes on 2003 Dodge Caravan: Causes and Fixes
I'm experiencing both P1193 and P045-5 diagnostic codes on my 2003 Dodge Caravan. I found an older thread discussing similar issues with a different model year of the Dodge Cara...
Dodge Caravan | P1193P0455 Diagnostic and P1193 Code Explanation for 2003 Dodge Caravan
I recently received a P045或 code on my 2003 Dodge Caravan. I came across an earlier post about the same issue on a 2001 model, but I wanted to confirm whether the P0455 diagnost...
Dodge Caravan | P0455P0300 Check Engine Code on 1999 Chevrolet Suburban During Towing - Fuel or Ignition Related?
I own a 1999 Chevrolet Suburban with the standard 350 engine and towing package. It has approximately 110,000 miles on it and has generally performed well since I purchased it a...
'99 Chevy Suburban | P0300Practical 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.