Question

2002 Audi A4 3.0L with engine code P0021. How much will it cost to replace the cam sensor? Is it a big job?
Thanks

Answer 1

Hello, this code points to a Faulty Continuously Variable Valve Timing Solenoid and It's difficult to know what the repair cost will be because there are several possible issues. Start by checking the oil level and make sure it's clean and full, here are some other possible issues.

P0021 AUDI Code - 'A' Camshaft Position Timing Over-Advanced Or System Performance Bank 2
Read more: https://www.autocodes.com/p0021_audi.html