Audi Tt Temperature Gauge Reading Low

Gauge sometimes never rises above 90 f and when it does it only gets to 190 f if it is 70 f or above for outside ambient. This is even after a 30 mile drive. Generally a temperature needle shouldn t reach above half way on average w normal driving check your coolant and oil levels.

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Checked fans via radiator switch jumper both work hi and lo speed.

Audi tt temperature gauge reading low. The engine oil tempurature always 2 bars up from 60. The temp gauge is weighted to read 90c even if the temp is between 80 and 102degrees so my gut feel is that the temp sensor needs replacing. Had the dashpot replaced under warranty six months ago on my 2002 tt and no probs until last two weeks. This was after a bit of highway driving and some.

The temp sensor is two sensors in one the first for the ecu and the second for the temp gauge. The temperature gauge needle always stays just below the 90 degree line once warmed up. Audi a4 b7 2 0t fsi low engine running temp. The gauge now reads just above the on the temp gauge and never gets near the 90 mid point.

And the coolant temp gauge is always on the second big bar inward. A4 b5 platform discussion temperature gauge is always low even after long driving. Is that normal. Ok so my temp gauge is fluctuating sometimes alot more then some it goes all the way up to overheat then goes back down to normal i just replaced thermo stat burped the radiator then a little bit ago it started fluctuating alot more and now when i get done driving it theres alot of antifreeze in the overflow tank and i can see that it comes out of the top of it to.

Right now in ny its about 37 50 degrees. The temp gauge started reading 20 15 degree lower than its normal 90 position i e. Audi tt 1 8 225 110k intermittent every other day or so temp needle going in to red zone and high temp warning symbol. I believe that at those temps the 49c and the dash temp gauge should read the same.

Coolant temperature gauge is erratic and usually shows low temperature. It may just be a faulty temperature gauge but knowing that it stops close to red might mean that it still works and your running hot because of low coolant. Do not have a cel and have not scanned for codes dont have vagcom.