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P0121 and P0221 Error Code

Discuss Diagnostic Trouble Codes and Parameter IDs for the Holden VE Commodore, VEII Series Commodores, and HSV E1, E2, and E3 models

Postby zakmicheal89 » Wed Oct 03, 2018 10:18 am

How I can fix these error codes and what is required for it? Holden Commodore 2007 Sv6

P0121 and P0221 Error Code
I have already bought used throttle body. Is it the only thing that I need to replace in my car?
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