Isuzu Repair: 1996 PASSPORT, full of smoke, spark plugs

Question
THIS CAR IS COMSUME A LOT OF GAS AND THROW BLACK SMOKE I CHANGE THE SPARK PLUGS AND ALL OF ONE SIDE WERE FULL OF SMOKE

Answer
Hello Sergio. I am sorry i didnt help you as I had hoped. If you could revise your nomination I would be more than happy to try and help you more.