Parts for your 2022 Ford Everest-Oxygen sensor

2022 Ford Everest oxygen sensor — is it fitted and what’s the go?

For Australian and New Zealand–spec 2022 Ford Everest models (the outgoing UA-series with the 2.0L Bi‑Turbo or 3.2L TDCi diesels), a conventional oxygen sensor (also called an O2, lambda or HO2S sensor) isn’t used. Ford’s own technical documentation for Ranger/Everest MY2019–2022 outlines the exhaust monitors as NOx sensors (upstream and downstream of the SCR), multiple exhaust gas temperature (EGT) sensors, and a diesel particulate filter (DPF) differential pressure sensor—no HO2S is listed. This aligns with Ford parts cataloguing for the same models and with Bosch Diesel-Engine Management guidance that diesel engines operate with excess air and typically don’t require a petrol-style oxygen sensor for closed-loop fuelling.

Why doesn’t the 2022 Everest diesel need one? Unlike petrol engines, diesels don’t throttle intake air and generally run lean across the rev range. The engine control unit targets combustion using air mass (via the MAF), boost, injection timing and rail pressure, and manages emissions with EGR and selective catalytic reduction (SCR). For feedback, the system relies on:

• NOx sensors (before and after the SCR catalyst) to dose AdBlue accurately and verify catalyst performance
• EGT sensors to protect hardware and control DPF regeneration
• DPF differential pressure sensor to measure soot loading

That sensor suite delivers the data a lambda sensor would otherwise provide in a petrol application. Some late-model diesels in other platforms do use a broadband oxygen sensor, but Ford’s 2022 Everest diesels don’t list one in the workshop procedures or parts index for ANZ vehicles.

What does that mean for servicing? There’s no oxygen sensor to replace as a maintenance item on a 2022 Everest diesel. Owners and workshops should instead keep an eye on the sensors that are actually fitted—especially NOx and EGT sensors, along with the DPF pressure lines. Using quality diesel and the correct AdBlue, allowing complete DPF regens, and checking for wiring chafe around the exhaust aftertreatment will prevent most headaches. If the MIL pops up with SCR, DPF, or NOx–related faults, a scan with live data will usually pinpoint a lazy EGT probe, a failing NOx sensor, or a blocked DPF pressure line rather than anything to do with an oxygen sensor.

Technical references: Ford Workshop Manual for Ranger/Everest MY2019–2022 (exhaust aftertreatment sensor listings), Ford Global/Microcat parts catalog for Everest UA 2019–2022 (emission control components), Bosch Diesel-Engine Management, 4th ed., sections on lean diesel operation and SCR feedback control.

Popular questions

Does my 2022 Ford Everest have an oxygen sensor?
On Australian and NZ 2022 Everest diesels, no. They use NOx, EGT and DPF pressure sensors to manage emissions and aftertreatment, so there’s no conventional HO2S fitted.

Which exhaust sensors should I expect on a 2022 Everest diesel?
Upstream and downstream NOx sensors, several exhaust gas temperature sensors, and a DPF differential pressure sensor. These handle dosing, protection, and regeneration control.

What are the signs of a failing NOx sensor on a 2022 Everest?
Common symptoms include the MIL on, SCR/AdBlue warnings, reduced power, increased AdBlue consumption, and stored NOx sensor plausibility or circuit fault codes. A scan tool reading for NOx ppm and sensor heater operation helps confirm it.