Emission code 0171
A4 Cabriolet 1.8T 8H7 55 plate.
Car running gr8 and pulling well. It has just been serviced and MOT'D in which it obviously passed emissions test. I now have code 0171 bank 1 too lean?. Once warm it is idling at about 1000 - 1100 rpm. Only just purchased car, also have issue with fuel flap not locking is it easy to remove interior rear panel to access solenoid and does anyone know correct part no for this. Regards Gary |
Typically this is a vacuum leak. Look for broken or split hoses. You can listen for the leak as well |
Hi Cheers.
Have now identified code P0507 via vcds idle control system rpm higher than expected intermittent. The tick over when warm is between 1000 & 1200 rpm |
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