Parts for your 2017 Nissan Pulsar-Throttle position sensors

2017 Nissan Pulsar throttle position sensor — what it is and how to look after it

Based on technical sources, a throttle position sensor (TPS) is absolutely used on the 2017 Nissan Pulsar. Nissan’s Electronic Service Manual (ESM) for the B17 sedan and C12 hatch (MR18DE and MR16DDT engines) shows an electronic throttle control (ETC) throttle body that contains dual throttle position sensors and a throttle control motor. The TPS is integral and not serviced separately. This setup is also reflected in Nissan’s parts catalog, where the throttle body assembly includes the sensor, and by factory diagnostics that monitor TPS circuits (DTCs such as P0120–P0124). So yes — the 2017 Pulsar relies on a TPS as part of its drive‑by‑wire throttle body.

On the 2017 Pulsar, the TPS tells the engine computer exactly how far the throttle plate is open. Together with the accelerator pedal position sensor, it helps the car deliver smooth take‑off, clean gear changes with the CVT or manual, steady idle, and the right fuel mix. Because it’s built into the throttle body, faults typically present as inconsistent throttle response or limp mode, rather than a simple standalone sensor failure.

What owners are likely to notice when the TPS or throttle body isn’t happy:

• Hesitation, surging, or “hanging” revs
• Rough or high idle, stalling at lights
• Check engine light with TPS/ETC codes
• Poor fuel economy and a lack of punch

Servicing advice for a 2017 Pulsar throttle body/TPS:

• Inspection: At regular services (around every 20,000–30,000 km), have the throttle body visually checked for carbon build‑up and oil mist.
• Cleaning: Light deposits can be cleaned using throttle‑body‑safe cleaner with the battery disconnected. Don’t force the plate by hand and don’t flood the housing — the TPS is sealed but doesn’t like solvent baths.
• Gaskets and leaks: Replace the throttle body gasket if it’s removed. Unmetered air will upset idle and TPS correlation.
• Relearn: After cleaning or replacement, perform an idle air volume learn/throttle valve closed‑position learn. A scan tool is best, but the ESM also outlines a pedal procedure. Skipping this can leave the idle wonky.
• Replacement: If TPS faults persist, the fix is usually a complete throttle body assembly. Use quality OEM or reputable aftermarket units and clear adaptations with a scan tool.

With sensible cleaning, correct sealing, and a proper relearn, the Pulsar’s TPS-equipped throttle body will keep doing its job quietly in the background — exactly how it should for Aussie and Kiwi roads.

Popular questions

Does the 2017 Nissan Pulsar actually have a throttle position sensor?
Yes. The 2017 Pulsar (B17 sedan and C12 hatch) uses an electronic throttle body with dual built‑in TPS tracks and a throttle motor. It’s documented in Nissan’s ESM (Engine Control — Throttle Control System) and supported by factory DTCs for TPS circuits. The sensor isn’t sold separately from the throttle body.

How often should the throttle body/TPS be serviced on a 2017 Pulsar?
There’s no fixed replacement interval. Have it checked at routine services, clean it if carbon builds up (often around 60,000 km or as needed), and perform a relearn afterwards. Replace the throttle body only if fault codes or symptoms persist.

Do I need a relearn after replacing or cleaning the throttle body?
Yes. An idle air volume and closed‑throttle position learn is required so the ECU knows the exact plate position. A professional scan tool is the easy way, a pedal procedure exists but is fussy about temperatures and timing.