ok, well the car has been puffing a little white smoke for 2 days. and was going to take her to the mechanic on saturday. on my way home from work today the car just pumped out crap loads of white smoke like a burn out through my exhaust. i limped her back home and found the following
thinned out oil, plus higher level and smells like fuelall 4 plugs are blackcar cant stay on with out me on the gas pedal
i have a feeling its the head gasket
need help diagnosing
It might be running rich all around from a bad coolant temp sensor or bad FPR. Combusting coolant causes white smoke, and running rich causes sooty exhaust, yes. But if there's a LOT of gas, the car will belch white smoke--gas fog. The thinned/overfilled oil and exhaust smell are evidence. Have you overheated recently? Is there any plug that is wet with gas? I don't think the car can run that rich on its own, where gas is pooling in the oil. Is the engine running on 3 cylinders or fewer? Any cylinder that's missing is most likely the one flooding. BE VERY CAREFUL WITH IT! You're at risk of hydrolocking if gas is pooling in a cylinder, then there's the whole explosion thing. Plus oil pressure and lubrication are diminished, and everything's wearing hard with it running like that, especially the bad cylinder. No oil on the cylinder walls.Unless you can smell burning coolant, my money's still on way too rich. There is a quick test that a shop can do that will detect the presence of exhaust gas in the coolant. (Speaking of which, any bubbles under the radiator cap?) Another test is a fuel rail leakdown test. It will tell you right away if there's a bigarse injector leak.
Couple of tests you can do. First though ,drain your oil and put in fresh oil. Clean or change your plugs. Then take it out of fuel control by disconnecting the 02 and see if it still belches smoke or is running extreamly fat. Another test you can do is check your air flow meter voltage readings. also as robert mentioned take a look at coolant temp connection and sensor resistance. Compare those to factory spec. Those 3 components are your primary fuel control inputs. I too doubt all 4 cyls are leaking fuel but it is not unheard of. So do the fuel system pressure checks Robert mentioned.