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elizabeth_werner61

Navara rough cold starts

My 2009 Nissan Navara diesel is running terribly on cold starts. Stuttering, hesitating, and fuel consumption is up. Error code stored. Someone suggested a defective electric auxiliary heater, maybe a PTC heater problem? Mileage is 109144 km. Any ideas?

4 comment(s)

reinhard_light18

Sounds familiar. I've got a Navara and had similar symptoms last winter: rough starts, fuel guzzling. Check your HVAC system, especially the heating element. Is it blowing cold air when it should be warm?

elizabeth_werner61 (Author)

The air is colder than it should be. Is that definitely connected to the rough running? It's like the engine's fighting itself until it warms up. What did you do to fix it?

reinhard_light18

Yep, pretty sure it's the same issue. The electric auxiliary heater. If it's gone, it throws everything off. Take it to a workshop. Mine cost around 350€, but it fixed everything. A faulty heating element will kill engine performance as soon as temperatures drop. It is linked.

elizabeth_werner61 (Author)

Looks like I'm heading to the workshop then. 350€ isn't the end of the world, I guess. Hopefully, that'll sort it. Thanks for confirming, I was a bit lost! Suspected it would be pricey.

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