Posted on Sep 03, 2009

2003 vw jetta tdi 1.9lt, temp light flashes on cold days

When starting the car for the first time of the day if its cool out side 50 degrees or less sometimes warmer. The engine temp light comes on. the MIL light does not and no codes are given. If you run the engine or a few minutes and then restart the light will not come back on all day. The coolant level is ok and there has never been any leaks. The engine coolant temp works fine and so do the cooling fans. The engine never over heats either. This only happens on cold morning starts.

jeff_vw_tdi Sep 04, 2009

Thank you for the extra info. that really helps alot. I kinda figured it was a sensor but had no clue which one. Again thanks you for the help.

1 Answer

audi4me

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Posted on Sep 03, 2009

audi4me

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Joined: Sep 03, 2009

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Hi it sounds like you have a temp sender playing up I think there are 3 on your engine,

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