I have a 2003 jetta and the temp goes up and pings a light what could it be?

Question:
while driving the temp goes up and when i idle or come to a stop the temp goes down. they say it might be the spark plugs but i'm not so sure.

Answers:

which engine parts i should install in order to make my honda civic ex a sports car?

most likely the problem is the water pump, these are known for failing. the blades on the pump are made of plastic and it cracks, when engine is rev up it causes the shaft to spin but the blades don't and you get no coolant flowing through the cooling system.
also i don't think that there is any possibility of the problem being the spark plugs.

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Chrysler/dodge/jeep?

Blown fuse for the cooling fan

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do you believ in santa?????

hi, it could be several things like a faulty cooling system. Thermostat, cooling fan, water pump, or just a bad sensor but i would get it checked immediately because it could cause your cylinder head to crack which could result in hundreds of dollars in repairs.

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whats the differnece between a imprezza 2.0 sport and a 2.0 turbo?

Could have a defective knock sensor.2.Could have a non operational EGR valve in closed possition.3Radiator Hose on the bottom could be collapsed while engine is running.4Could be low fuel pressure do to almost clogged fuel filter.Hope this helps

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