DTC P0172: Notes
DTC P0172 : Fuel System Too Rich
Special Tools Required
Vacuum Pump/Gauge, 0-30 inHg Snap-on YA4000A or equivalent, commercially available
How To Use This Service Information .
NOTE:
- Before you troubleshoot, review the How to Troubleshoot .
- Do not clear the DTC or reset the PCM before beginning this troubleshooting procedure until instructed to clear it. Clearing the DTC or resetting the PCM can delete valuable diagnostic information, even if the on-board snapshot is saved.
- Inspect for aftermarket fuel system and engine components before beginning troubleshooting.