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Thankyou this is really helpful. Sounds like a water pump issue.

Thankyou this is really helpful. Sounds like a water pump issue.

Hi all, hope you are having a merry xmas.

Recently I have been having an issue with my cars coolant temperature. When driving the temp gauge will hit 90, as it should, then stay at 90 for approx 5 mins. After this it will increase and increase until I turn the heater on.

I first if all tried using ...

A brand new battery surely should have a high state of charge? Given it's a decent £150 bosh battery

A brand new battery surely should have a high state of charge? Given it's a decent £150 bosh battery

I have tested the voltage on the old battery, and the new one. The old battery was 12.5V when ignition off and 14.5 when ignition on.

Do I need VCDS to check if the Start stop activate voltage had been changed?

To be fair the longest drive I have had is probably 40 mins, I am going to pick a family member up 2 hours away on Sat so potentially this might fix it, fingers crossed.

Appreciate your comment buddy.

Hi all,

Just after a bit of advice. To keep this brief, I recently got a 2016 VW Polo, 1,4 TDI Bluemotion. I knew the battery was dodgey and therefore assumed that when I change it, the stop start will work.

(I used my OBD scanner and deleted the code that said battery voltage low (P0562 ...