Parts for your 2021 Ford Escape-Crank angle sensor

2021 Ford Escape crank-angle sensor: what it does and how to look after it

Based on technical sources, the 2021 Ford Escape is fitted with a crank-angle sensor (more commonly called a crankshaft position sensor, or CKP). The Ford Workshop Manual for Escape/Kuga (2020–2022) under Electronic Engine Controls (WSM Section 303-14) details CKP sensor removal/installation and diagnostics, Motorcraft wiring diagrams for the 2021 Escape show the CKP circuit to the PCM, and the Bosch Automotive Handbook notes “crank-angle sensor” as a functional synonym for a crankshaft position sensor. So yes—this part is relevant and used across the 1.5L and 2.0L EcoBoost engines and the 2.5L hybrid/PHEV.

This little sensor tells the engine computer exactly where the crankshaft is and how fast it’s spinning. With that info, the ECU fires the spark, times the fuel injection, coordinates start/stop, and syncs with cam timing. On the hybrid, it’s also key for smooth engine restarts when the electric motor hands things back to petrol power. If the CKP goes on the fritz, expect hard starting, stalling, or a no-start—proper annoying when you’re trying to get on with the day.

It’s not a consumable, so there’s no set replacement interval. Still, it’s smart to have it checked during scheduled servicing. A quick visual under the bonnet and from underneath goes a long way: look for oil contamination at the sensor, wiring chafing near the bellhousing/front crank area, and any green fuzz or moisture in the connector. If the Escape shows long crank times, misfires at idle, or throws codes like P0335–P0338, a scan with live data and a CKP signal check is the go.

• Use quality OEM or reputable aftermarket sensors, cheapies often cause intermittent faults.
• Disconnect the battery and let the engine cool before swapping the sensor.
• On 1.5L/2.0L, access is typically by the transmission bellhousing, on the 2.5L hybrid, it’s mounted on the block near the crank pulley area.
• Clean the mounting face, lightly oil the O-ring, seat it square, and torque to spec per the Ford WSM.
• Route the harness away from hot or moving bits, clear codes, and perform a crank relearn with a scan tool if prompted. A short test drive to confirm warm restarts is always worthwhile.

If tackling a hybrid, ensure the high-voltage system is made safe, if in doubt, let a qualified tech handle it. It’s a small part, but it keeps the whole show running sweet as.

Where is the crank-angle sensor on a 2021 Ford Escape?

On the 1.5L and 2.0L EcoBoost, it’s typically mounted low on the engine near the transmission bellhousing, reading a toothed wheel on the crank. Access is usually from underneath after removing the undertray. On the 2.5L hybrid/PHEV, it’s positioned on the block near the crank pulley area. Exact spot can vary slightly with drivetrain and build, so a quick look in the WSM helps.

What are the common symptoms of a failing crank-angle sensor?

Hard starting, random stalling, a dead crank/no-start, rough idle, or sudden loss of power are common. The check engine light may come on with codes like P0335–P0338. Sometimes the issue is wiring or oil contamination at the connector rather than the sensor itself, so a proper diagnostic is best before replacing parts.

Does the crank-angle sensor need programming after replacement?

Often the PCM will learn the new signal on its own, but many workshops perform a CKP relearn with a scan tool to tidy up idle quality and starting behaviour. Always clear stored codes and road-test the vehicle after the repair.