
2005 Audi A4 Quattro 2.0L Poor Idle Quality, MIL Lamp on
Think that i have the po171 code fixed but idle still want to hunt only in park or nuetral(po507). Drove 25 miles and no codes . Idle will go up to 1500rpm then drop down to 750rpm then repeats. Short term fuel trim jumps to +25 when idle goes up and drops to ...
FIX posted 4/23/2009
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Message Closed w/FIX
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VIN | WAUDF68E45 |
Engine | 2.0 L / 4 cyl / GAS |
Trans | 6-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, MIL Lamp On |
Occurs | Hot |
Misc. | Sedan Quattro |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0507 | Idle Speed Control System Higher Than Expected |
Message Closed w/FIX
Vehicle Data
2005 Audi A4 Quattro
VIN | WAUDF68E45 |
Engine | 2.0 L / 4 cyl / GAS |
Trans | 6-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, MIL Lamp On |
Occurs | Hot |
Misc. | Sedan Quattro |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0507 | Idle Speed Control System Higher Than Expected |