Uploaded August 2018 | Updated September 2026, 2 weeks ago

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Glow plugs are a fundamental diesel system and PWM controlled systems require more specialised tooling than the older parallel type.

As with anything more technologically complex, the procedure needed to test and diagnose a PWM controlled system is not for the feint hearted. Our latest training module focuses on the operation and troubleshooting of Pulse Width Modulated pre-heat systems.

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