larawalter1
Mini Cabrio rough cold starts and fuel consumption issues
Summary of the thread
A 2016 Mini Cabrio is experiencing rough cold starts, poor engine performance, and increased fuel consumption, accompanied by a strange error code. The issue is suspected to be related to the PTC heater, an electric auxiliary heater that helps warm the cabin and engine. The suggested solution is to confirm the diagnosis and replace the faulty PTC heater, which resolved the problem and improved the vehicle's performance.
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4 comment(s)
larawalter1 (community.author)
Yeah, the air is definitely colder than usual when I first start it up. Electrical faults, you say? Where exactly should I be looking? I'm no mechanic, but I can handle basic stuff.
ninasilver1
Yep, sounds very similar to what I experienced. The PTC heater is basically an electric auxiliary heater that kicks in to help warm up the cabin faster when the engine is cold. If it fails, you'll get cold air and the engine might run rougher because it's working harder to get up to temperature. I'd suggest taking it to a workshop to confirm the diagnosis and get it replaced. Better safe than sorry.
larawalter1 (community.author)
It was indeed the PTC heater. 350€ later, and my Mini Cabrio is purring like a kitten, even on cold mornings. Thanks for the help!
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MINI
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CABRIO
ninasilver1
Sounds like the PTC heater to me. I had a similar issue with my Mini Clubman. Is the HVAC system blowing cold air when the engine is cold? My fuel consumption also went up a bit when mine went bad. Have you checked for any electrical faults in the heating system?