I had the same problem when I first bought my car. The radiator was clogged, cap was bad, EGR hoses were leaking, and thermostat was sticking.
Do the following:
wash your engine throughly with a good engine degreaser (cover distributor with a bag) and high pressure water. This will help you find any problems such as oil and water leaks.
2) Flush your radiator. Use a water hose and load the radiator until it spills all over the place. Open up the drain plug and continue to do this until there is no sign of rust, dirt etc. start your car up and continue to do this (dont let it get too hot).
Inspect the radiator while the car is runing:
Check for air bubbles, unstable level, or stable water level. If is unstable and it moves up and down slowly, then you're okay.
Second: if the radiator cap has signs of bad sealing, rust, etc replace it ASAP. They are only like $5.
check oil dipstick. if there are no signs of water -antifreze in the oil, then you are okay.
now let your car run for about 15-20 min and watch it carefully. If the temp continues to rise then you probably have a bad thermostat or maybe fan clutch.
This is easy. If the tempeture rises and stays kinda of high and all of the sudden drops, then you probably have a bad thermostat.
If the fan is either broken, not spining freely, or acting up.. then you know what to do.
To test the clutch do the following:
when engine is cold and off, try spining the fan with your hands. if it moves freely then you're okay.
BUY a code scanner tool. they only cost about $25-30 and you can find em at your local auto part stores. those are life savers and are going to help you keep your money in your wallet.
if you have any questions feel free to email me at netslider3@home.com
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