September 2, 20232 yr Altitude 3.0 V6 tdi. Have changed and adapted throttle body. Still getting p0638 code. Could it be throttle position sensor?Also now getting code p2196 O2 sensor. Any thoughts
September 8, 20232 yr Sounds like an air leak could be causing these issues, check the intake and exhaust for leaks first
October 16, 20232 yr Author UPDATE . . replaced O2 sensor and all seems good. No codes and running well
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