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2004 Audi A4 1.8L Hesitation, MIL Lamp on
Car running poorly check engine light on. Found 5 DTC"s Tested o2 sensor/ A/F sensor heater working and sensor working. Cooling fan stays on all the time. Found Identifix bulletins leading to Leak detection pump(LDP). LDP is not receiving power tested fuel pum...
FIX posted 2/21/2011
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Message Closed w/FIX
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10 Replies Received
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Related Documents & Media | VIN | WAUJC68EX2 |
| Engine | 1.8 L / 4 cyl / GAS |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | Fuel Injection / mpi |
| Emissions | OBD-II Compliant |
| Symptoms | Hesitation, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction |
| P0139 | Heated Oxygen Sensor (Bank 1 Sensor 2) Slow Response |
| P0171 | Fuel System Too Lean (Bank 1) |
| P0172 | Fuel System Too Rich (Bank 1) |
| P1296 | 5-Volt VREF Supply Not Present |
Message Closed w/FIX
Vehicle Data
2004 Audi A4
| VIN | WAUJC68EX2 |
| Engine | 1.8 L / 4 cyl / GAS |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | Fuel Injection / mpi |
| Emissions | OBD-II Compliant |
| Symptoms | Hesitation, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction |
| P0139 | Heated Oxygen Sensor (Bank 1 Sensor 2) Slow Response |
| P0171 | Fuel System Too Lean (Bank 1) |
| P0172 | Fuel System Too Rich (Bank 1) |
| P1296 | 5-Volt VREF Supply Not Present |
Video