P1165

DTC P1165: A/F sensor (Sensor 1) Circuit Range/Performance Problem-'00-01 M/T models

1. Reset the ECM.
2. Start the engine. Hold the engine speed at 3,000 rpm with no load (in Park or neutral) until the radiator fan comes on, then let it idle.
3. 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.
4. Check the Temporary DTC with the scan tool.

Is Temporary DTC P1164 indicated?

YES - Replace the A/F sensor (Sensor 1).

NO - Intermittent failure, system is OK at this time. Check for poor connections or loose wires at the A/F sensor (Sensor 1) and at the ECM.