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JohnCat

'07 Temp Gauge And Heater Issues

5 posts in this topic

Hi all,

I've had a search and can't find any similar topics so hopefully this hasn't been asked yet.

We have an '07 S-Max, the temp gauge never goes above 30 (about 1/4 mark) and the car heating takes for ever to get luke warm.

On a recent 300 mile journey the temp gauge never went over 30 and then dropped down to zero mid journey, at which point the heaters went cold, despite being on max. It was last weekend through the midlands so cold and snowy. After about 10 minutes the temp rose back up to 30 again.

Are there any diagnostics I can run. I don't believe the issue is with the gauge as the dial moves to 30, so I suspect a temp sensor but are unsure where to start.

Thanks

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sounds like it could be a thermostat stuck open.

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Thanks, I'll take a look at that.

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Check your coolant level - there have been a few reports recently about system leaks - the first noted symptom being a cold interior, the 2nd being a blown engine.

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Could be damp getting into the radiator fan wiring and causing it to over run.

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