Question about 2004 Audi allroad
My technician retrieved trouble codes 17831 B1 and 17819 B2. Secondary air injection lower limit exceeded. He cleared codes and checked for loose hoses on catalytic converter air injection system.
Check Engine light came on next day and stays on. Any ideas?
It can be your CO2 sensor. And another one that all ways makes the check engine light come on is your gas cap be for you turn your car on make sure your gas cap is on like 3 clicks then go clear the codes. If that doesn't help then good luck
Posted on Apr 13, 2009
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Posted on Jan 02, 2017
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