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Acura DTC

Acura DTC P1153

Manufacture

Acura DTC

Code

P1153

Definition

HO2S-21 (Bank 2 Sensor 1) Insufficient Switching

Description

DTC P0101, P0102, P0103, P0106, P0107, P0108, P0117, P0118, P0121, P0122, P0123, P0131, P0132, P0133, P0134, P0135, P0300, P0301-P0306, P0441 and P1441 not set, system voltage from 11-16v, engine speed from 1500-3000 rpm in closed loop for 1 minute, ECT s

Cause

  • Air leaks after the MAF sensor, or in the EGR or PCV systemExhaust leaks before or near where the front HO2S is mountedFuel control sensor is out of calibration (i. e. , ECT, IAT or MAP)Fuel delivery system supplying too much or too little

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