Parts for your 2007 Nissan Primera-Crank angle sensor

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

Based on technical literature, the 2007 Nissan Primera (P12 series) does use a crank-angle sensor, also known by Nissan as the Crankshaft Position Sensor (POS/CKP). The Nissan Primera P12 Factory Service Manual (Engine Control section), Autodata engine management references, and Nissan FAST parts catalogues all show a CKP sensor fitted across the common Primera engines of the era (QG18DE 1.8 petrol, QR20DE 2.0 petrol, and YD22 diesel). It’s a core input for the engine control module, not an optional extra.

On this model, the crank-angle sensor keeps tabs on the crankshaft’s exact position and speed, letting the ECU time spark and fuel with pinpoint accuracy. Without this signal, the car may crank but won’t fire, or it’ll stall and run rough. That’s why fault codes like P0335/P0336 (CKP circuit) pop up when the sensor or its wiring plays up. The sensor typically sits near the gearbox bellhousing or low on the block, reading a toothed wheel on the crank or flywheel.

While it isn’t a regular “service item”, it’s smart to give it attention during scheduled servicing. Under the bonnet, eyeball the CKP wiring and connector for brittle insulation, oil saturation, or loose pins—oil leaks from the rear main or cam cover can soak a sensor over time. If starting becomes slow, the engine cuts out when hot, the tacho glitches, or the check engine lamp appears, get the sensor and loom checked early to avoid a roadside drama.

Replacement is straightforward for a competent DIYer, but many owners prefer a workshop because access can be tight. Expect a single retaining bolt, an O-ring seal, and a keyed sensor nose—clean the mounting bore, lightly oil the new O-ring, and don’t force the sensor home. Stick with genuine or high-quality aftermarket parts, cheap copies can cause intermittent faults. On the P12, no coding is usually required after replacement, but clearing fault codes and performing an idle learn can tidy things up. Always disconnect the battery, let the engine cool, and if working underneath, support the vehicle properly with stands.

• Watch for: hard starting, random stalling, uneven idle, and fault codes P0335/P0336.
• Good practice: inspect connectors each service and fix oil leaks that can contaminate the sensor.
• After replacement: clear codes, check live data, and road test from cold to hot.

Popular question: Where is the crank-angle sensor on a 2007 Primera?

It’s mounted low on the engine, typically at the bellhousing area reading the flywheel/reluctor. Access varies by engine—on QR20DE/QG18DE it’s usually reached from underneath, on the YD22 diesel, location is similar but space is tighter. A workshop manual diagram helps nail the exact spot.

Popular question: What symptoms point to a failing crank-angle sensor?

Common signs include long crank/no start, hot stalling, rough running, misfires, erratic or dead tacho, and the check engine light with codes like P0335. Issues can also stem from damaged wiring or oil-contaminated connectors, so inspect the loom before replacing parts.

Popular question: Does a new crank-angle sensor need programming?

On the P12 Primera, the CKP sensor generally doesn’t need coding. After fitting, clear fault codes and perform an idle relearn if the idle is unsettled. Using a scan tool to confirm a clean CKP signal and stable RPM during cranking is a good final check.