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christopher_lang41

Ka heater blowing cold air

I'm having a nightmare with my 2021 Ford Ka, gasoline engine. The heater is blowing practically cold air, and I plugged in an OBD reader which shows an error. I'm pretty sure it's the water valve, could a dodgy cable or plug cause this? Anyone else had this?

Summary of the thread

A 2021 Ford Ka is experiencing an issue where the heater is blowing cold air. The problem is suspected to be related to the water valve, potentially caused by a faulty cable or plug connection. After consulting with others, it is advised to have a professional diagnose and repair the issue. Ultimately, the problem is confirmed to be a defective water valve and a dodgy connection, which is resolved at a workshop.

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4 comment(s)

Amelia101

Sounds familiar! I had a similar problem with my Ford Ka a while back. Weak heat and error codes pointed to the cooling system. Have you checked the engine coolant level? A blockage or air in the system can also mimic those symptoms.

christopher_lang41 (community.author)

Coolant level looks fine. Is it easy to check for a blockage myself, or am I better off just taking it to a mechanic? I'm not super confident messing with the cooling system.

Amelia101

Yeah, messing with the cooling system can be tricky. Given the error code and the low heat, a faulty water valve is pretty likely, and if it's an electrical issue with the plug, it's best left to a professional to diagnose properly. I ended up taking mine in. Best to bite the bullet, I reckon.

christopher_lang41 (community.author)

Thanks a lot for the advice! Took it to the workshop, and you were spot on. Turns out it was indeed a defective water valve, and the dodgy connection was the culprit. Cost me 95€ all in. Cheers!

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FORD

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KA