Acura P1154: HO2S-21 (Bank 2 Sensor 1) Transition Time Ratio
Is your scanner showing Acura P1154?
No worries. We'll show you what it means and how to deal with it.
Acura P1154: HO2S-21 (Bank 2 Sensor 1) Transition Time Ratio
OVERVIEWWhat Does The Acura P1154 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 10-16v, engine speed from 1500-3000 rpm in closed loop for 1 minute, ECT s
What Are The Potential Causes Of The Acura P1154 Code?
- Air leaks at the exhaust manifold or exhaust pipes
- HO2S signal circuit is open or shorted to ground (intermittent)
- HO2S heater power circuit is open, or the heater has failed
- HO2S contaminated with wrong fuel, has deteriorated or failed
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> ZBN 234-5010 Oxygen O2 Sensor Upstream Front and Rear
>>> Autobahn88 Silicone Vacuum Hose Dress Up DIY Kit
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Acura P1154, DTCDECODE.
