Parts for your 2007 Nissan Pathfinder-Crank angle sensor

2007 Nissan Pathfinder crank angle sensor: what it does and how to look after it

Yes — the 2007 Nissan Pathfinder (R51) is fitted with a crank angle sensor, more commonly listed by Nissan as the Crankshaft Position Sensor (POS). This is documented in the Nissan Pathfinder R51 Electronic Service Manual (2007), EC – Engine Control section under “Crankshaft Position Sensor (POS)” for both the VQ40DE petrol and YD25DDTi diesel engines, along with related DTCs (P0335/P0339) and wiring. The same fitment is noted by workshop references such as the Nissan Pathfinder/Frontier/Xterra 2005–2014 Haynes manual and Autodata technical data.

The crank angle sensor’s job is to tell the engine computer exactly where the crankshaft is and how fast it’s spinning. That live data is what the ECU uses to trigger spark timing (petrol) and injection timing (petrol and diesel). If it drops out, the ECU loses its place — you can cop long crank times, sudden stalling, rough running, or a flat no-start. Fault codes commonly include P0335 (crankshaft position sensor “A” circuit) and P0339 (intermittent).

There’s no scheduled replacement interval for the sensor on a 2007 Pathfinder, so it’s a “replace on condition” item. As part of regular servicing, it’s smart to: scan for pending codes, inspect the engine harness and connector for heat or oil contamination, and make sure the sensor area is clean and the wiring is properly clipped away from the exhaust.

• Typical location: mounted at the rear of the engine near the bellhousing, reading a target on the crank. Access is usually from underneath. The YD25 diesel uses a similar arrangement on the block facing the transmission.
• Common symptoms: intermittent stall at idle or when hot, extended crank, misfire feel, and MIL on with P0335/P0339.
• Replacement tips: disconnect the battery, unplug the sensor, remove the single retaining bolt, ease out the sensor, lightly oil the new O-ring, seat it squarely, and tighten the bolt to factory spec. Clear codes and confirm with live data and a road test.
• Parts choice: genuine or quality OEM-equivalent sensors tend to be more reliable than the cheapest aftermarket options.

If the vehicle has experienced a no-start or hot stall, also check for ECM updates noted in Nissan technical literature for these models and ensure good engine ground integrity, as poor grounds can mimic sensor faults.

FAQs

Where is the crank angle sensor on a 2007 Pathfinder?
On both the VQ40DE petrol and YD25DDTi diesel, it’s mounted near the rear of the engine where it reads the crank. Access is typically from under the vehicle at the bellhousing area. A torch and a small ratchet help a lot.

What fault codes point to a bad crank angle sensor?
The most common are P0335 and P0339. Before condemning the sensor, check the connector for oil intrusion, broken tabs, or heat damage, and verify the harness isn’t rubbing through on the bellhousing or exhaust.

Should the sensor be cleaned or just replaced?
It’s a sealed magnetic sensor, cleaning won’t usually revive a failing unit. If diagnostics confirm it’s the culprit, replacement with a quality part is the go. Always inspect and tidy the loom to prevent a repeat issue.