Fuel and air mixture, additional emissions regulations
WARNING: This page is about a different car, the 2006 Audi A4, 2005 Audi A4, 2004 Audi A4, 2003 Audi A4, and 2002 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
| DTC | Error Message | Diagnostic Procedure | Malfunction Criteria and Threshold Value | Secondary Parameters with Enable Conditions | Monitoring Time Length | Frequency of checks, MIL Illumination |
|---|---|---|---|---|---|---|
| P2088 | A Camshaft Position Actuator Control Circuit Low Bank 1
|
|
Signal voltage 3 V |
|
0.5 Sec |
|
| P2089 | A Camshaft Position Actuator Control Circuit High Bank 1
|
|
Signal Voltage 2.2-8 A |
|
0.5 Sec |
|
| P2090 | "B" Camshaft Position Actuator Control Circuit Low Bank 1
|
|
Signal voltage 3 V |
|
0.5 Sec |
|
| P2091 | "B" Camshaft Position Actuator Control Circuit High Bank 1
|
|
Signal Voltage 2.2-8 A |
|
0.5 Sec |
|
| P2092 | A Camshaft Position Actuator Circuit (Bank 2) Short to ground
|
|
Signal voltage 3 V |
|
0.5 Sec |
|
| P2093 | A Camshaft Position Actuator Control Circuit (Bank 2) High
|
|
Signal Voltage 2.2-8 A |
|
0.5 Sec |
|
| P2094 | B Camshaft Position Actuator Circuit (Bank 2) Short to ground
|
|
Signal voltage 3 V |
|
0.5 Sec |
|
| P2095 | B Camshaft Position Actuator Circuit (Bank 2) Short to B+
|
|
Signal Voltage 2.2-8A |
|
0.5 Sec |
|
| P2096 | Post Catalyst Fuel trim System Too Lean Bank 1
|
|
Integral part of lambda control post cat. > - 0.03 |
|
100 Sec |
|
| P2097 | Post Catalyst Fuel Trim System Too Rich (Bank 1)
|
|
Integral part of lambda control post cat. - 0.03 |
|
100 Sec |
|
| P2098 | Post Catalyst Fuel trim System Too Lean (Bank 2)
|
|
Integral part of lambda control post cat. > - 0.03 |
|
100 Sec |
|
| P2099 | Post Catalyst Fuel Trim System Too Rich (Bank 2)
|
|
Integral part of lambda control post cat. - 0.03 |
|
100 Sec |
|