What might be the problem with my 97 Honda Accord LX 4 Cylinder Automatic car, as it

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Honda_Accord

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emitted lot of smoke? I was driving the car for 2 hours with out a stop and all of a sudden it made some noise and emitted lot of smoke. I pulled over and checked it, and could not find any thing suspicious. I could drive back home comfortably. The best part is, from next day onwards, the car has become very smooth and makes very little noise (too good for 11 year old vehicle). I regularly get it serviced for oil and filter change. My guess is was it some dirt in the exhaust pipe which got burnt because of 2 hrs drive?? or is it some other thing which I need to look for??
 
Most commonly over looked device in the engine is the PCV valve=positive crankcase ventilation valve. These are relatively cheep, usually under ten dollars. When these stick, they will cause oil consumption even though there is no internal engine damage. Simply remove the old one and install a new one, it goes into the valve cover and is easy to change. Like I said, it is the most over looked item that I know of. Good Luck
 
If you dont see any smoke and it runs well.. Youre probably ok. If it smokes white - probably a head gasket. If it smokes blue. Probably a valve or valve guide.
 
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