P1164

DTC P1164: A/F Sensor (Sensor 1) Range/Performance Problem

1. Reset the ECM/PCM.
2. Start the engine. Hold the engine at 3,000 rpm with no load (in Park or neutral) until the radiator fan comes on.
3. Check for a Temporary DTC with the scan tool.

Is Temporary DTC P1164 indicated?

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

NO - Go to step 4.

4. Test-drive in D3 position. Starting at 1,600 rpm, accelerate using wide open throttle for at least 5 seconds. Then decelerate for at least 5 seconds with the throttle completely closed until the readiness code or Temporary DTC P1164 comes on.

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 C102 (located under the under-hood fuse/relay box), the A/F Sensor relay, the A/F Sensor (Sensor 1) and the ECM/PCM.