Acura P1153: HO2S-21 (Bank 2 Sensor 1) Insufficient Switching
Is your scanner showing Acura P1153?
No worries. We'll show you what it means and how to deal with it.
Acura P1153: HO2S-21 (Bank 2 Sensor 1) Insufficient Switching
OVERVIEWWhat Does The Acura P1153 Code Mean?
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
What Are The Potential Causes Of The Acura P1153 Code?
- Air leaks after the MAF sensor, or in the EGR or PCV system
- Exhaust leaks before or near where the front HO2S is mounted
- Fuel control sensor is out of calibration (i. e. , ECT, IAT or MAP)
- Fuel delivery system supplying too much or too little
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> ZBN 234-5010 Oxygen O2 Sensor Upstream Front and Rear
>>> NewYall Exhaust Gas Recirculation EGR Valve with Gasket
>>> Mass Air Flow Sensor MAF Sensor Compatible with Acura MDX RDX RL TL
>>> Acura Engine Control Module
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Acura P1153, DTCDECODE.
