Replaces OEM Part Number:
234-4493 AE8Z9F472A AE8Z9F472B
234-4555 AE8Z9G444B AE8Z9G444C
Fit for:
for Ford Fiesta 1.6L L4 2016 2017 2018 2019
for Ford Fiesta 1.6L L4 DOHC 2011 2012 2013 2014 2015
for Ford Fiesta 1.6L L4 SOHC 2013 2014
Package Include:
2Pcs*Oxygen Sensor
1. Please check OEM number before purchasing.
2. Please allow 1-3cm error due to manual measurement. Thanks for your
understanding.
3. Monitors are not calibrated same, item color displayed in photos may be
showing slightly different from the real object. Please take the real one as
standard.
Must Know Before Buying:
A: The only way to know if the O2 sensor is functioning normally is to check its responsiveness to
changes in the air/fuel mixture, by Voltage Measurement or Waveform Simulation.
Use a 10-megaohm digital voltmeter. Hook up the voltmeter’s red probe to the sensor’s signal wire
and the black probe to engine ground. (Use back probe method, DO NOT pierce the wire.) For a good sensor, voltage should fluctuate constantly between 0.1 and 0.9 volts after starting the engine for 2 or 3 minutes.
Please take a video clip of the voltmeter and contact us if our sensor:
Goes above range between 0.1 and 0.9 volt
Remains below 0.5 volts
Stays fixed at a particular voltage
You’re free to choose replacement or refund if our sensor fails to work, in this case.
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