VIDEO

Acura DTC

Acura DTC P1163

Manufacture

Acura DTC

Code

P1163

Definition

Air Fuel Sensor (Bank 1 Sensor 1) Slow Response

Description

Engine at idle speed, then accelerated to 55 mph for 5 seconds, then back to idle speed for 5 seconds, and the PCM detected the A F sensor response time was too slow, or the rich-lean or lean-rich response switch rate was too slow during the HO2S Monitor

Cause

  • A F sensor may be contaminated or may have failedFuel supply system is too lean (exhaust leaks in front of LAF)Fuel supply system is too rich (fuel filter is clogged or dirty)PCM has failedTSB 01-038 (10 29 01) contains a repair procedur

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