OBD II Error Codes Meaning
#1
OBD II Error Codes Meaning
Hi:
2003 A6 Quattro 4.2L. 134 k
Check engine light on
OBD codes P0441, P2096, P2098
P0441 Audi
P0441 Audi - EVAP System Incorrect Purge Flow
Possible causes
- Missing Fuel cap
- Incorrect fuel filler cap used
- Fuel filler cap remains open or fails to close
- Foreign matter caught in fuel filler cap
- Incorrect fuel tank vacuum relief valve
Read more: P0441 Audi EVAP System Incorrect Purge Flow OBDII Engine Light Trouble Code | Engine-Codes.com
P2096 Audi
P2096 Audi - Post Catalyst Fuel Trim System Too Lean
Possible causes
- Low fuel pressure
- Misfire condition
- Large vacuum leak
- Air leak near sensor
- Plugged catalytic converter
- Lean air/fuel ratio
- Faulty front O2 sensor
P2098 Audi
P2098 Audi - Post Catalyst Fuel Trim System Too Lean Bank 2
Possible causes
- Low fuel pressure
- Engine misfire
- Large vacuum leak
- Blocked converter
- Faulty O2 sensor bank 2
2096 says possible faulty front O2 sensor (no bank ID)
2098 says - possible faulty O2 sensor Bank 2 (front or rear)
There are no codes 1196 or 1198 or any other codes reported.
My question is: What does all this tell me?? Interrelated??
2003 A6 Quattro 4.2L. 134 k
Check engine light on
OBD codes P0441, P2096, P2098
P0441 Audi
P0441 Audi - EVAP System Incorrect Purge Flow
Possible causes
- Missing Fuel cap
- Incorrect fuel filler cap used
- Fuel filler cap remains open or fails to close
- Foreign matter caught in fuel filler cap
- Incorrect fuel tank vacuum relief valve
Read more: P0441 Audi EVAP System Incorrect Purge Flow OBDII Engine Light Trouble Code | Engine-Codes.com
P2096 Audi
P2096 Audi - Post Catalyst Fuel Trim System Too Lean
Possible causes
- Low fuel pressure
- Misfire condition
- Large vacuum leak
- Air leak near sensor
- Plugged catalytic converter
- Lean air/fuel ratio
- Faulty front O2 sensor
P2098 Audi
P2098 Audi - Post Catalyst Fuel Trim System Too Lean Bank 2
Possible causes
- Low fuel pressure
- Engine misfire
- Large vacuum leak
- Blocked converter
- Faulty O2 sensor bank 2
2096 says possible faulty front O2 sensor (no bank ID)
2098 says - possible faulty O2 sensor Bank 2 (front or rear)
There are no codes 1196 or 1198 or any other codes reported.
My question is: What does all this tell me?? Interrelated??
#3
oops. Drive about 30 miles. Parked started and check engine light back - P0441 but no P2096 or P2098. Cleared again.
How to track this down? I read somewhere that the solution is to take to dealer and they will change everything for a few thousand bucks.
How to track this down? I read somewhere that the solution is to take to dealer and they will change everything for a few thousand bucks.
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