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 Honda Accord P0505, P0113, P1166, P1486, P108 - Car Stalls and Loss of Power Diagnosis
Last night, while driving, my 2002 Honda Accord suddenly lost power. The engine began to bog down as if it were out of gas, then shut off completely. I assumed the issue was low...
Honda Accord | P01132002 Honda CR-V 2.4L: P1259, P1166, P1167, P1077 - Diagnosis and Fixes After Replacing O2 Sensor
My 2002 Honda CR-V with a 2.4L engine is exhibiting poor performance under load and has triggered four diagnostic trouble codes: P1259, P1166, P1167, and P1077. I have already r...
2002 honda crv 2.4l | P10772002 Honda CR-V EX OBDII Codes P1166 and P1167: Do These Indicate a Catalytic Converter or Oxygen Sensor Issue?
My 2002 Honda CR-V EX is showing OBDII diagnostic codes P1166 and P1167. I believe these relate to the oxygen sensors located before and after the catalytic converter. Do both c...
2002 Honda CR-V EX | P11662002 Honda CR-V P1166 and P1167 O2 Sensor Heater Circuit Fault Diagnosis
Hello, I'm experiencing trouble codes P1166 and P1167 on my 2002 Honda CR-V. I used the All-Data program to retrieve diagnostic information. The first step was to clear the code...
2002 Honda CRV | P11662001 VW Jetta, rain-related? P1142,1654,0300,0304,1166,0113
Hello all, I am new to this forum but already impressed by what I've read. It's nice to have a community like this. My 2001 VW Jetta has had a history of MAF sensor problems, s...
2001 VW Jetta | P01132003 Honda CR-V P1166 O2 Sensor Code: Causes, Diagnosis & Fixes
Hello, I own a 2003 Honda CR-V with 68,000 miles. I recently received a diagnostic code P1166 from my OBD-II scanner. The code indicates an issue with the front oxygen (O2) sens...
03 Honda CRV | P11662003 Honda Civic SI P1166 and P1298 Check Engine Codes: Causes and Fixes
My 2003 Honda Civic SI has 68,000 miles on the odometer. Yesterday while driving to work, the check engine light activated. Using a scan tool, I detected two trouble codes: P116...
2003 Honda Civic SI | P1166BMW 750il 1997 - How to Fix OBD2 Code P1166 and Pass Smog Inspection
I'm currently receiving OBD2 diagnostic code P1166 on my 1997 BMW 750il. This code indicates a malfunction in the oxygen sensor for bank 1, sensor 2 (post-catalyst). I cannot pa...
1997 BMW 750il | P11662003 Honda CR-V Fault Codes P1298 and P1166: Possible Wire Chewing Cause?
My 2003 Honda CR-V has recently triggered two diagnostic trouble codes: P1298 and P1167. While the vehicle has no noticeable performance issues, both codes appeared simultaneous...
CR-V | P1166P1166/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 | P1166Practical 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.