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MAXFAVOR dedicated to provide the good selection, the latest cutting edge technology, and the good overall shopping experience. Maxfavor oxygen sensor features double protection layer, aluminum oxide trap layer, porous PTFE filter and stainless steel housing. It is manufactured with precision to meet OE standards and can be installed easily and ensures longevity.
Detect the resistance of the sensor
When the engine temperature reaches normal, unplug the wire connector of the oxygen sensor and use a resistance meter to detect the resistance between the oxygen sensor terminals. The resistance value should meet the requirements of the specific model standard value (generally 440Ω)
Detecting oxygen sensor voltage
Use the fault diagnosis instrument to detect the engine, extract the fault code, and observe the data stream. The operation of the oxygen sensor is judged by the magnitude and frequency of the voltage change of the oxygen sensor. If it is working properly, the voltage should be between 0.4 and 0.6V. If the voltage is always at 0.45V, the oxygen sensor will not work
Observe the color of the sensor probe
- Oil pollution: the surface of the probe is covered with oily deposit
- Silicon poisoning: probe deposit color between bright white and granular light gray
- Lead poisoning: shiny rust layer on the probe surface
- Antifreeze contamination: a layer of dirt on the surface of the probe
Doug
Reviewed in the United States on July 6, 2024
Bolted in and worked fine
Jose
Reviewed in the United States on April 15, 2024
Excelente
abiel tesfit
Reviewed in Canada on September 22, 2023
Wire was short for Mazda 3
wisemt
Reviewed in the United States on August 1, 2023
Shipped fast, good quality, easy install. Was getting "downstream oxygen sensor slow response lean to rich" code on 2013 Mazda 3. Replaced sensor, cleared fault code with scanner and code has not come back.
Customer
Reviewed in the United States on May 23, 2023
Its an upstream oxygen sensor fir what car i couldn't say, not a downstream
JUAN ALVARADO
Reviewed in the United States on September 20, 2021
It didn't work to erase the light on the dash
K&N
Reviewed in the United States on November 4, 2021
Unit failed after 6 1/2 months / 8k miles.
Carly
Reviewed in the United States on November 30, 2021
I tried to fix a engine code, but this just gave me another engine code.
HOA PROFESSIONAL GROUP
Reviewed in the United States on October 15, 2021
IT DOES NOT FIT ON MY 2011 MADZA 3 SEDAN 1) WIRE TOO SHORT 2) CONNECT PINS AREA WRONG (4) BUT THERE WERE SIX PINS ON THE ORIGINAL. WASTED TIME TO REMOVE THEM AND TRY TO CUT THE OLD WIRE TO CONNECT TO NEW AND FOUND OUT ONE WIRE LESS ON THE NEW. LUCKLY I DID NOT CUT THE NEW. HAS TO RECONNECT THE CUTTED WIRES AND RETAPED AGAIN. NOW THEY WANT YOU TO PAY FOR SHIPPING FOR ITEM THAT IS NOT COMPATIBLE. THIS IS WRONG & I WILL LET AMAZON KNOW THAT.
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