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DTC P0133 HO2S1
EC-191
[QR (WITH EURO-OBD)]
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A
EC
3. Select “HO2S1 (B1)” and “HO2S1 MNTR (B1)”.
4. Hold engine speed at 2,000 rpm under no load during the follow-
ing steps.
5. Touch “RECORD” on CONSULT-II screen.
6. Check the following.
● “HO2S1 MNTR (B1)” in “DATA MONITOR” mode changes
from “RICH” to “LEAN” to “RICH” more than 5 times in 10 sec-
onds.
5 times (cycles) are counted as shown at right.
● “HO2S1 (B1)” voltage goes above 0.6V at least once.
● “HO2S1 (B1)” voltage goes below 0.3V at least once.
● “HO2S1 (B1)” voltage never exceeds 1.0V.
CAUTION:
● Discard any heated oxygen sensor which has been dropped from a height of more than 0.5 m (19.7
in) onto a hard surface such as a concrete floor; use a new one.
● Before installing new oxygen sensor, clean exhaust system threads using Oxygen Sensor Thread
Cleaner tool J-43897-18 or J-43897-12 and approved anti-seize lubricant.
SEF646Y
SEF217YA
SEF648Y
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