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2.0l turbo "auto" gas. Coolant light was coming on when cold "blue" resulting in car stalling when coming to a stop. Once the engine is warm does not happen. Then the light remained on permanent and gas consumption terrible. Temp sensor has been replaced yet the car still stalls when cold as you come to a stop? RPM idle when cold is about 900rpm and as you slow this dips to about 500rpm and results in stall. Any help much appreciated. :confused:
 

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5/23/10 <3
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For starters, unless a Turbo was added later, there was no 2.0L Turbo NB from the factory. Its either a 2.0L non-turbo or 1.8 turbo (which may say 20v turbo on the engine cover...the v stands for the number of valves).

Did you replace the temp sensor with one that was green? Have you had the car scanned for codes?

The blue light should come on when you first start the car and will stay on until the engine is up to temp. That is completely normal. The colder it is outside, the longer it takes for the engine to get up to temp and therefore takes longer for the light to go out.
 

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For starters, unless a Turbo was added later, there was no 2.0L Turbo NB from the factory. Its either a 2.0L non-turbo or 1.8 turbo (which may say 20v turbo on the engine cover...the v stands for the number of valves).

Did you replace the temp sensor with one that was green? Have you had the car scanned for codes?

The blue light should come on when you first start the car and will stay on until the engine is up to temp. That is completely normal. The colder it is outside, the longer it takes for the engine to get up to temp and therefore takes longer for the light to go out.
Does the temp sensor have to be green, i just got the nb you think i should change the temp sensor?
 
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