DTC P2A00 Acura
Rear Air Fuel Ratio (A F) Sensor (Bank 1, Sensor 1) Circuit Range Performance Problem
Rear Air Fuel Ratio (A F) Sensor (Bank 1, Sensor 1) Circuit Range Performance Problem
Description
The rear A F sensor (bank 1, sensor 1) output voltage is 2.55 V or less, or 4.50 V or more. The execution time is once per driving cycle and the duration time is 5.3 seconds or more. NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot.
Cause and Solution
Poor connections or loose terminals at the A F sensor (Sensor 1) and the PCM
Video Guide
Diagnostic Info
- DTC Code: P2A00
- Brand: Acura