00' s4 overheats until near death VAG says its oxygen sensor HELP PLEASE
01-09-2006, 02:46 PM
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00' s4 overheats until near death VAG says its oxygen sensor HELP PLEASE
just curious if anyone has run into this problem -should i change oxygen sensor or do the dam thang and break down the front for the thermostat-
01-09-2006, 03:56 PM
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Under what conditions does it overheat?
It's probably the thermostat or water pump. But you need to be more clear about what conditions cause it to overheat. Highway speeds, around town, stuck in traffic. Are there any conditions under which the coolant temp is fine (other than cold starts and initial warm up periods)?
01-09-2006, 04:09 PM
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Re: Under what conditions does it overheat?
the coolant temp rises very slowly when cold, but when the temp needle gets to the middle(where it should be) it heats up faster, going all the way to the H at times. It doesn't matter how I drive either.
01-09-2006, 05:37 PM
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Either the waterpump is shot or the thermostat is stuck.
Plan on doing a full timing belt job while you're in there. Flush out the radiator while it's out of the car, just to make sure there is no obstruction in the radiator. If you've heard any wierd noises, it's probably the waterpump.
Oh, and no more driving the car when the water temp gets past 1 o'clock...don't want to do any damage.
Oh, and no more driving the car when the water temp gets past 1 o'clock...don't want to do any damage.
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Temp seems to be a little erratic. Tick and a half in about 1 min u pand down. Thermostat or sensor?
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