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2010 Audi A4 Quattro Avant 2.0L Rich
We need some help with this Audi A4. It has a rich condition and we can't seem to find the cause. It had a code for the O2 sensor (fuel ratio sensor) so that was replaced. At a previous visit the vehicle had both the crankcase vent and the oil separator re...
FIX posted 8/28/2020
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Related Documents & Media | VIN | WAUWFAFL2A |
| Engine | 2.0 L / 4 cyl / GAS |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection / Direct Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Rich |
| Occurs | Always |
Trouble Codes
| P2178 | Fuel Trim System Lean At Idle Speed (Bank 1) |
| P2188 | Fuel Trim System Rich At Idle Speed (Bank 1) |
| P2237 | Air Fuel Sensor (Bank 1 Sensor 1) I/P Line High Voltage |
| P2271 | Heated Oxygen Sensor (Bank 1 Sensor 2) Signal Stuck Rich |
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Vehicle Data
2010 Audi A4 Quattro Avant
| VIN | WAUWFAFL2A |
| Engine | 2.0 L / 4 cyl / GAS |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection / Direct Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Rich |
| Occurs | Always |
Trouble Codes
| P2178 | Fuel Trim System Lean At Idle Speed (Bank 1) |
| P2188 | Fuel Trim System Rich At Idle Speed (Bank 1) |
| P2237 | Air Fuel Sensor (Bank 1 Sensor 1) I/P Line High Voltage |
| P2271 | Heated Oxygen Sensor (Bank 1 Sensor 2) Signal Stuck Rich |
Video