Why are the glow plugs on my sprinter not working?
Why are the glow plugs on my sprinter not working? The engine control module (ECM) does monitor the glow plugs and if a problem arises, can issue a fault. Inevitably, glow plugs do wear over time, but this can be an easy procedure to fix. However, such a repair does require caution as they can be difficult to remove. What happens when one glow plug goes bad? A diesel engine has one glow plug control module which controls the glow plugs. This means that you might not notice when a single glow plug goes bad as this only affects one...