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Discussion Starter #1
i just installed a 180 degree thermostat in my 94' cougar with 4.6 v8 and now it seems to be running alot richer , i seem to get more power but theres a lil smoke comign out when i floor teh car ......is this a huge problem ? or would it just fix itself when i get more air into teh engine ?
 

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The Thermostat doesn't affect the A/F ratio of the car. If it's running rich, that's not the cause. What kind of gas mileage are you getting? Other symptoms?
 

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Discussion Starter #3
actully i havent noticed any gas mileage decrease , no other symptoms really..so i dunno
 

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If the gas mileage isn't horrible, and you don't smell raw gas coming out the pipes, then I wouldn't worry IMO. Try cleaning the MAF sensor... if you search on it you'll find a ton of posts on that. just be careful when you do it.
 
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