DTC Troubleshooting: P2DE1
DTC P2DE1: Cold Start Air Fuel Ratio Control System Rich
NOTE:
If DTC P2DE1 is indicated alone, do the troubleshooting for DTC P0172 using the on-board snapshot for P2DE1.

DTC Description
Confirmed DTC
Pending DTC
P2DE1 Cold Start Air Fuel Ratio Control System Rich
   

1.
Problem verification:

Problem verification
?1.
Turn the vehicle to the ON mode.

?2.
Let the engine cool until the value of ECT SENSOR 1 is 122 °F (50 °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
   

Is DTC P2DE1 indicated?

     
YES
     
     
     
The failure is duplicated. Do the troubleshooting for DTC P0172 using the on-board snapshot for P2DE1.?
     
NO