intermittent fluctuating temp gauge

b3nny

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Hi,

Issue is on a late 59 plate 2.0l tdi 143.

I've done a search which and one post said that Audi says this is normal?

I replaced the temp sensor at the weekend to rule this out but is still fluctuating, it seems to be worse on cold days, I'm getting nice warm air through the blowers within a mile, the temp gauge will reach 90 but if I slow down or come to a stand still shortly after it getting to 90 the gauge falls pretty rapidly yet if the gauge has been at 90 for a while it seems to hold its temperature.

I went for a about a 10 mile drive last night and the top rad hose was still cold although the gauge was sat at 90.

Is it possible for the engine to get to temp and hold intermittently with the stat removed? I'm concenrned the previous owner my have removed it to mask and underlying problem as I've only had the car 6 weeks.
intermittent fluctuating
ig