I have 97 sunfire with the 2.2 and the car overheats and only blows cold air, also the engines stumbles and stalls and the fan doesnt ever come on and the car is running lean.
could be water pump, clogged radiator, collapsed hoses, bad thermostat, bad radiator fan, fan relay/fuse, clogged heater core, or any combination thereof.
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So far i bypassed the heatercore, and when i unplug the temp sensor the fan turns on. Does the fan run off the temp sesnor or does it have its own sensor?
um... does it have any coolant?
usually thats the issue when you're heater blows cold air....
Familiar Taste of Poison.
it has coolant, i just took the thermostat out and ran it and its got frothy @!#$ coming out of the reservoir, headgasket is shot i guess. @!#$ GM and their @!#$ up cooling system.
OK seems the rad cap is shot, car runs at normal temp without the thermostat in, but it wont idle and gets flat spots anywheres but wot?
It is your raditor and electrical fan the same thing happened to me a few weeks ago and I replaced my cooling fan and radiator since then I haven't had any problems.
