timmond3

Titan diesel preheating lamp stays on

Hey, I've got a 2018 Nissan Titan diesel. The preheating lamp on the dash won't turn off. My OBD scanner shows an error too. Could this be a glow plug issue? Anyone seen this before? What could be causing it?

A 2018 Nissan Titan diesel has a persistent preheating lamp issue, potentially linked to a glow plug malfunction. The problem is accompanied by engine misfire, especially in cold conditions. The suggested solution is to replace the defective glow plugs, which typically requires professional workshop assistance.

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4 comment(s)

Sounds familiar! I had something similar happen with my Titan diesel. The preheating lamp stayed on, and the engine was a bit rough on startup. Did you notice any engine misfire or reduced power, especially when it's cold?

Thanks! Yes, now that you mention it, I have noticed a slight engine misfire, especially when the engine is cold. Does this confirm your suspicion? What did you have to do to fix it?

Yup, that sounds like the glow plugs to me. I'd bet good money one or more are defective. I ended up taking mine to a workshop. They confirmed it was the glow plugs and replaced them. Is this something you could handle yourself, or are you planning to visit a shop?

Thanks so much for confirming my suspicion! It sounds like a trip to the workshop is inevitable. I just got a quote for around 440€, so I hope they fix this for that amount. I really appreciate your help!

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NISSAN

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TITAN