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Nissan/Nissan Latio/O2 Sensor

2026-10-08 · 5 min read

Nissan Latio O2 Sensor Malaysia — HR15DE

Latio HR15DE has upstream (air-fuel ratio sensor, wideband) and downstream (narrowband, catalyst monitor) oxygen sensors. Common failures: upstream sensor heater circuit (P0135/P0141), causing open-loop fuel control and poor economy; downstream sensor giving P0420 catalyst efficiency code. Sensor lifespan: 20,000–100,000 km. OEM quality recommended — cheap aftermarket sensors can cause fuel trim issues. Malaysia's RON95 increases carbon deposition on sensors compared to premium fuel.

Latio Oxygen Sensor

Upstream and downstream O2 sensors control fuel trim — replace if reading erratically
Typical lifespan: 80,000–120,000 km
Use Denso or NGK OEM-spec replacement sensors
Bad O2 sensor: rich running, high fuel consumption, occasional misfires, CEL P0130–P0167

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