My car uses synthetic oil. What happen when you put regular oil in it? Will it ruin the O2 sensor?

We went to have the oil changed and they put in regular oil and not synthetic. Since then we have changed the oil.My car uses synthetic oil. What happen when you put regular oil in it? Will it ruin the O2 sensor?
Whatever type of oil you used, doesn't got anything to do with the 02 sensor(oxygen sensor). The 02 sensor goes to the center of the ';Y'; end of the exhaust manifolds(ex,V6) before the catalytic converter, and the main purpose of the 02 is strickly for fuel consumption cause it detects rich or lean mixture of fuel during idle or acceleration. The oil itself stays in the engine oil pan, and the oil lubricate the moving parts in two ways; 1) by pick up tubes (oil pump) to oil galleys and through camshaft/crankshaft bearings and other moving parts..2) Splashing of oil through out the cranck case system...One good thing about synthetic is easy starting due to the fact that oil filament always stays on the engine parts as compared to regular oil (parts are dry). Also the engine is cleaner (free of gum) which is common for regular oil. Oil additives known as ZDDP Plus (zinc dialkyl dithiophosphate) are not known to the public. This extreme pressure additives are used by racers, and people that owned show cars to protect their investment ( old high performance engines) One bottle of ZDDP Plus 4oz. bottle is equivalent to 32 oz. of GM EOS, used by GM when they first sell the cars to the public. Most synthetic oil probably contained minimal OES to protect(bullet proof so to speak) the engine, but still better compared to regular oil...So once again the oil doesn't affect the 02 sensor, unless the engine is burning oil (bad valve guide seals, where oil scapes and mixed with the fuel and air) but this is not very common unless the engine is more than 200,000+ miles or more...My car uses synthetic oil. What happen when you put regular oil in it? Will it ruin the O2 sensor?
Ruin the O2 Sensor?? I had to stop laughing to type a responce here..... The O2 sensor is in the exhaust stream and has absolutely NOTHING to do with whats in the engines crankcase..... Your in good shape - if the O2 sensor goes bad it wont have anything to do with the grade of oil your using.....
no worries the regular oil wont harm any sensors or do any damage to your car
you can change back and forth as many times as you like and it won't hurt the engine or sensors one bit.
you can put vegetable oil or olive oil ........it'll not spoil the sensor
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