tomheld7
Seat Leon Diesel Glow Plug Problem
Summary of the thread
A 2002 Seat Leon diesel is experiencing an issue where the preheating lamp on the dashboard remains on, indicating a potential problem with the glow plugs. The error memory confirms an error related to the glow plugs, suggesting a defective glow plug as the likely cause. The recommended solution is to check and replace the glow plugs, which can be done by a workshop to prevent further engine combustion issues, especially with winter approaching. The problem was resolved by replacing the glow plugs, which eliminated the check engine light concern.
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4 comment(s)
tomheld7 (community.author)
Interesting. How did you confirm it was the glow plugs? Did the engine light come on in your diesel car, and was there an error code stored?
lea_wolf19
Yep, engine light was on. Definitely glow plugs. If you're not comfortable doing it yourself, a workshop can sort it out pretty quickly. Don't ignore it though, especially with winter coming. Hard starts aren't fun for a diesel engine.
tomheld7 (community.author)
Thank you, that is good advice. I took it to the workshop and you were right, it was the glow plugs. They replaced them, but with labor and diagnostics, the whole thing cost me around 440€. At least the check engine light is off and hopefully I won't have any more issues with engine combustion this winter!
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SEAT
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LEON
lea_wolf19
Sounds like a glow plug issue. I had something similar with my Leon. Check the glow plugs themselves. Could be a simple fix.