2002 Nissan Altima "engine smoking" Questions

05 Nissan Altima 4.2l replaced valve cover, gasket, and spark plugs looks fine with no leaks and engine runs fine,now I have lots of white smoke at start up which goes away once engine is warm. White ...

...inside the radiator and the overflow bottle. Also check to see if antifreeze has contaminated the engine oil. You can look at the engine oil dipstick, or look at the under side of the engine oil ...

...having driven it for 4,000 miles, I now notice white smoke coming out of the tail pipes when the engine is started, for about 30 seconds, then the smoke stops while the engine is still running,

...has low idea and when i hit the gas there is black smoke. well black smoke means you are burning up engine oil. low idle means you have less compression. you might want to check your gaskets! does th ...

nizzan 02 Black smoke coming out tailpipe and consumption of oil My car is nizzan altima 2002 2.5 engine. I found out that the black smoke is coming out of exhaust tailpipe for a long time now. Also ...

...smoking and stuttering as my wife drove it home from work. What is the cause? I've heard the catalytic converter, can be the problemor could it be someting more serious like the engine? Please help. ...

97 altima wont start, engine turns, radio, lights work, no check engine light coming on. Thought it might be spark plugs, put new plugs in, started for 60 sec then died. white smoke comes from engine ...

...the road it just misses at low rpms what could this be? You most likely have bad compression in engine. Notorious for bad catalytic converters. Scores piston walls and fits your description. Gut ...

COMPRESSION TEST TO BE ON THE SAFE SIDE.WORN VALVE GUIDES AND WORN VALVE SEALS A PLUGGED PCV VALVE OR HOSE WILL MAKE VECHICLE.DO COMPRESSION TEST FIRST THAT WILL TELL. BUT SMOKING ENGINE MEAN WORN OUT

...smoking on a continual basis is not normal...and bad. Usually white smoke on a hot day, or white smoke after more than a few minutes of running the engine is a sign of coolant burn off. Most common ...