DTC P1165: A/F sensor (Sensor 1) Circuit Range/Performance Problem (2000-2001 M/T models)

NOTE: Before you troubleshoot, record all freeze data and review the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION ).

Reset the ECM with the HDS (see ECM RESET ).
Start the engine. Hold the engine speed at 3,000 rpm without load (in neutral) until the radiator fan comes on, then let it idle.
Test-drive in 4th gear. Starting at 1,600 rpm, accelerate for at least 5 seconds. Then decelerate for at least 5 seconds with the throttle completely closed.
Check the Temporary DTCs or DTCs with the HDS.
Is DTC P1165 indicated?
1. YES - Replace the A/F sensor (Sensor 1) (see A/F SENSOR REPLACEMENT .
2. NO - Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the A/F sensor (Sensor 1) and the ECM.