CAR BLOWING BLUE SMOKE FROM TAIL PIPE - 2003 Nissan Altima

SOURCE: blue smoke from tail pipe 98 neon no leaks i can see

It sounds like you could need some new piston rings. when they go bad it causes oil to get by into the combustion chamber and burn when the engine fires.

SOURCE: f-150 4.9 lt .once it starts, blowing heavy black smoke

Sounds like its flooding(excess fuel)Try squeezing the main fuel line enough to allow enough fuel through for engine to run smoothly if that improves running of engine either fuel pump needs replacement or pressure relief valve has failed or has no vacuum to activate it.Dirty or failing injectors can also cause your problem,try putting a can/bottle of injector cleaner in fuel tank to see if it improves running of engine.Air flow meter can also be an issue.A few potential reasons foryour problem and too hard to lock it down to a single cause without the vehicle being in front of me to do the appropriate tests so have just provided the basic causes and hope your able to take it from here and solve the problem.Good luck

SOURCE: Blue smoke comes from tailpipe

A lower octane gas woudn't cause it to blow blue smoke, more like it needs an engine job. There is oil getting into the combustion chamber, could be valve guides, valve seats, piston rings worn.

SOURCE: Jaguar has black smoke coming out of the tail pipe

hello, my name is thedon052001 and i just pruchased the 1993 jaguar xj6 and there are some problems to it, the main problem is that the security system needs to be reset or taking out and i need an exhaust system and fuel pump what is the best thing for me to do

SOURCE: my 2002 jetta blows blue smoke a lot of blue smoke

I had the same problem with my Passat 2000 , I started to put "Smoke no more" the next day after every oil change and worked pretty good. Every bottle coste me about $4 at Pepboys...