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maximilianhartmann9

Verso Poor Cold Start

I'm experiencing a strange issue with my 2012 Toyota Verso, diesel engine. It's got about 44982 km on the clock. I've noticed poor engine running during cold starts, especially in the recent cold weather. The diagnostics are showing an error, and my fuel consumption seems higher than usual. I suspect it might be related to the PTC heater. Has anyone encountered similar symptoms?

Summary of the thread

A 2012 Toyota Verso with a diesel engine was experiencing poor cold start performance and increased fuel consumption, particularly in cold weather. The issue was suspected to be related to the PTC heater. After consulting with a workshop, it was confirmed that the electric auxiliary heater was defective. Replacing the faulty heater resolved the problem.

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4 comment(s)

antonia_phoenix1

The symptoms you describe strongly suggest a problem within the HVAC system, more specifically with the electrical auxiliary heating. The error code coupled with poor cold start performance points towards a defective heating element. Could you please specify the exact error code registered? Also, have you checked the relevant fuses?

maximilianhartmann9 (community.author)

Thanks for the quick reply. Unfortunately, I don't have the exact error code at hand right now. Regarding the fuses, which ones specifically should I be checking related to the PTC heater? I'm not entirely familiar with the electrical layout of the heating system.

antonia_phoenix1

Given your description and lack of specific error code, it's highly probable that the electric auxiliary heater is indeed defective. While checking fuses is a good starting point, diagnosing this issue properly often requires specialized equipment. I would recommend visiting a qualified workshop to confirm the diagnosis and perform the necessary repairs. You are likely looking at a faulty PTC heater element.

maximilianhartmann9 (community.author)

Thank you for your detailed advice. I took your suggestion and brought the Verso to a workshop. They confirmed that the electric auxiliary heater was defective, and after replacement, the issues are now resolved. The repair cost me around 350€. Appreciate your help!

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TOYOTA

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VERSO