diagnostic codes?
Thread Starter
Joined: Dec 2008
Posts: 1
diagnostic codes?
My Girlfriend has an H2 and the check engine light came on recently. I checked the codes and they came up, P0171 (system too lean), P0174 (system too lean), and P0446 (EVAP emission control system vent, circut malfunction). any suggestions on what the problems maybe are helpful. Thank you.
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