Nissan Sunny 2001 black smoke

[jan871]

Hello guys
I have a Nissan Sunny 2001 model. It's engine is working fine like acceleration is good but produces a black smoke. So any expert tell me the reason. I read online that it may be the fuel mixture issue. Some says it might be weak rings issues. So please help. Thank you.

[dani_kk]

Black smoke never comes because of rings... & secondly if you're running ga13/15 this looks like bad afm sensor or a bad tp sensor causing this or a vaccum leak...

& if you're running QG series engine then it's tp sensor forsure...
Incase if you're unable to solve this issue. You can call me for help. 03455072961

[SER_GTR]

running rich mixture throw black smoke .. it could be faulty sensor as stated above..

inspect and replace the sensor

[jan871]

It has ga16de engine. Thank you for your help.