Skoda Octavia BNA Injectors

Skoda Octavia BNA Overview

The Skoda Octavia with the BNA 2.0L TDI PD engine was produced between 2004 and 2010. This vehicle uses Bosch common rail diesel injectors (primary part number 03G130073G) operating at fuel pressures up to 2000 bar. The BNA engine in the Skoda Octavia produces and of torque. When replacing injectors on the Skoda Octavia BNA, always use new copper sealing washers and torque to manufacturer specifications. Each injector should be coded to the ECU after fitting.

Compatible Injectors

Common Injector Problems in Skoda Octavia

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  Rough idle and engine vibration — Worn injector nozzles cause uneven fuel spray, leading to rough idle at low RPM. Most noticeable when the engine is cold.
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  Excessive exhaust smoke — Black or blue-grey smoke on acceleration indicates poor fuel atomisation. This is often caused by carbon buildup on the injector nozzle tip.
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  Poor fuel economy — A worn or leaking injector delivers incorrect fuel quantities, reducing efficiency by 10–20% in severe cases.
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  Engine misfire under load — Intermittent misfires during acceleration suggest one or more injectors are failing to deliver the correct fuel pressure.
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  Difficult cold starting — Degraded injector nozzles struggle to atomise fuel at lower cranking pressures, causing extended crank times in cold weather.

Other Engine Codes for Skoda Octavia

Other BNA Vehicles

Related Pages

Bosch 2.0L TDI PD — browse compatible engines, vehicles, and injectors