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| P0172 – System Too Rich (Bank 1) | ||||||||||
| Diagnostic Aids: View the freeze frame data to determine the operating conditions when the DTC was set. Observe the LONGFT1 and LONGFT2 PIDs. Refer to Section 2, Adaptive Fuel Diagnostic Trouble Code (DTC) Diagnostic Techniques for more information and the appropriate pinpoint test for specific concern identification. | ||||||||||
| P0174 – System Too Lean (Bank 2) | ||||||||||
| Description: Possible Causes: Diagnostic Aids: |
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| P0175 – System Too Rich (Bank 2) | ||||||||||
| Description: Possible Causes: Diagnostic Aids: |
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