Possible Autochoke problem?

[RichardBaronGolf]

When I start my car the auto choke always comes on regardless of the engines temperature.

For example if I was to go out on a long run and the car was at normal running temperature, stop and restart the engine straight away the auto choke will still come on for about 20 seconds roughly.

A couple of times the cars temperature gauge has gone past the normal running temperature when restarting the engine after a long run but then after a few seconds returns to the normal running temperature.

Does this sound familiar to anyone? I was thinking some kind of auto choke/temp sensor?

Its a Mk3 gti 2.0 16v

[javalin]

there is no auto-choke on an injected car (aka mk3 and above), the ECU adjusts the injection time and quantity to cope with a cold engine.

Not sure what you mean?  What does it do when the 'auto-choke' comes on?

James

[spikenipple]

It's probably the ISV and/or throttle body needing a good clean.
As for the temperature, firstly check your coolant level and top up if needs be. When the engine is switched off, the coolant is no longer circulating, whilst the engine continues to dissipate its heat into the coolant/oil etc. As the coolant temperature sensor is rather close to the block, I expect it's just the coolant around the sensor heating up further.