DTC P2DE1, P2DE3
DTC P2DE1 : Cold Start Air Fuel Ratio Control System Rich Bank1
DTC P2DE3 : Cold Start Air Fuel Ratio Control System Rich Bank2
NOTE:
- Before you troubleshoot, review the general troubleshooting information - Refer to: How to Troubleshoot the Fuel and Emissions Systems .
- If DTC P2DE1 and/or P2DE3* is indicated alone, do the troubleshooting for DTC P0172 and/or P0175* using the on-board snapshot for P2DE1 and/or P2DE3*.
- Information marked with an asterisk (*) applies to the left bank (Bank 2).
| DTC Description | Confirmed DTC | Pending DTC |
|---|---|---|
| P2DE1 Cold Start Air Fuel Ratio Control System Rich Bank1 | ||
| P2DE3 Cold Start Air Fuel Ratio Control System Rich Bank2 |
DTC (PGM-FI)
- Problem verification
- 1. Turn the vehicle to the ON mode.
- 2. Let the engine cool until the value of ECT SENSOR 1 is 77 °F (25 °C) or less.
Signal Current conditions Values Unit ECT SENSOR 1 - 3. Clear the DTC with the HDS.
- 4. Turn the vehicle to the OFF (LOCK) mode.
- 5. Start the engine, and let it idle for 10 seconds or more.
- 6. Check for Pending or Confirmed DTCs with the HDS.
DTC Description Confirmed DTC Pending DTC P2DE1 Cold Start Air Fuel Ratio Control System Rich Bank1 P2DE3 Cold Start Air Fuel Ratio Control System Rich Bank2 Is DTC P2DE1 and/or P2DE3* indicated?
YES
The failure is duplicated.
Do the troubleshooting for DTC P0172 and/or P0175* using the on-board snapshot for P2DE1 and/or P2DE3*. - Refer to: DTC P0172, P0175 (6-Speed A/T, 16-18 9-Speed A/T), or DTC P0172, P0175 (19-21 9-Speed A/T), or DTC P0172, P0175 (6-Speed A/T, '16-'18 9-Speed A/T: KX)
NO
Intermittent failure, the system is OK at this time.
If the on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the on-board snapshot - Refer to: How to Troubleshoot the Fuel and Emissions Systems .