Busman48 Posted September 2 Share Posted September 2 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 Quote Link to comment Share on other sites More sharing options...
Volkswagen Owners Club Posted September 8 Share Posted September 8 Sounds like an air leak could be causing these issues, check the intake and exhaust for leaks first 1 Quote Link to comment Share on other sites More sharing options...
Busman48 Posted October 16 Author Share Posted October 16 UPDATE . . replaced O2 sensor and all seems good. No codes and running well 1 Quote Link to comment Share on other sites More sharing options...
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