VIDEO

Acura DTC

Acura DTC P0134

Manufacture

Acura DTC

Code

P0134

Definition

Rear Air Fuel Ratio (A F) Sensor (Bank 1, Sensor 1) Heater System Malfunction

Description

The execution time is continuous and the duration time is 40 seconds or more. Battery voltage minimum 10.5 volts. Malfunction determination 1: The rear A F sensor (bank 1, sensor 1) internal resistance value is 110 ohms or more for at least 40 seconds right after the engine starts. Malfunction determination 2: The rear A F sensor (bank 1, sensor 1) internal resistance value is 110 ohms or more for at least 15 seconds. NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot. The rear A F sensor (bank 1, sensor 1) internal resistance value is 200 ohms or more for at least 1 second.

Cause

  • Poor connections or loose terminals at the A F sensor (Sensor 1), the relay and the PCMOpen circuit between the PCM and the A F sensor Faulty A F Sensor (Bank 1, Sensor 1)PCM needs to be updated with the latest softwareFaulty PCM

_P0134  There are 0 products.