P1164

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

NOTE: Information marked with an asterisk (*) applies to '04 model.

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 or the HDS.

Is Temporary DTC P1164 (P2A00)* indicated?

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

NO - Go to step 4.

4. Test-drive in D3 (M/T in 3rd gear). 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 (P2A00)* indicated?

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

NO - Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at C101 (located under the right side of the dash), C401 (located under the left side of the dash), the A/F Sensor relay, the A/F Sensor (Sensor 1) and the ECM/PCM.