Parts for your 2020 Volkswagen Amarok-Ignition coils

2020 Volkswagen Amarok ignition coils – are they even a thing?

Short answer: no, ignition coils aren’t used on the 2020 Volkswagen Amarok. That model year in Australia and New Zealand was supplied with diesel TDI engines (most commonly the 3.0‑litre V6 TDI, and in some markets the 2.0‑litre BiTDI). Diesel engines use compression ignition, not spark ignition, so there are no ignition coils or spark plugs to service.

This isn’t just workshop folklore. Volkswagen technical literature for the Amarok’s V6 TDI (VW Self‑Study Programme on the EA897 engine) and the 2.0 TDI BiTDI outlines compression ignition with glow plugs for cold starts—no ignition coil packs in the system. The MY2020 Amarok brochures for AU/NZ also list only TDI diesels. More broadly, diesel fundamentals in the Bosch Automotive Handbook confirm that compression ignition engines don’t employ ignition coils because they don’t require a high‑voltage spark.

What does the Amarok use instead? For reliable starting and clean combustion, it relies on:

• Glow plugs and a glow plug control unit for cold starts
• High‑pressure common‑rail injectors and pump to deliver and atomise diesel
• Engine management and sensors to time injection precisely

If someone’s suggested new “ignition coils” for a 2020 Amarok, they’re likely mixing it up with petrol engines, or they may actually mean glow plugs. Typical hard‑start, rough idle, or excess smoke issues on these diesels are more often linked to tired glow plugs, a weak battery, injector wear, air leaks on the fuel side, or sensor faults—not failed coils.

For peace of mind, they should stick to Volkswagen’s service schedule, use the correct oil spec, and have glow plugs checked if cold starts are getting lazier, especially in winter. Scanning the ECU for stored fault codes and performing a glow circuit test will quickly separate a glow issue from fuel or air problems.

Popular questions about 2020 Volkswagen Amarok ignition coils

Does my 2020 Amarok have ignition coils?
No. Being a TDI diesel, it uses compression ignition and glow plugs, not coils and spark plugs. If a workshop quote lists “ignition coils” for this vehicle, it’s worth clarifying whether they actually mean glow plugs.

What should be checked instead of ignition coils on a diesel Amarok?
Focus on glow plugs and the glow plug control unit for cold‑start issues, battery health and cranking speed, fuel filter condition, injector performance, and intake leaks. A diagnostic scan and basic electrical tests usually pinpoint the culprit quickly.

How often do glow plugs need replacing?
There’s no strict interval, they’re replaced on condition. Many last well past 100,000 km, but frequent short trips or colder climates can shorten their life. If cold starts worsen or a glow plug fault code appears, testing and replacement of the affected plugs is the go.