Hi, my english is not so good, i'll try to explain my problem...
Maxima 2000, 124000 Milleage
i have very poor mpg (13-14 mpg freeway and city), mi car shakes a lot (feel like tugs when i'm driving). there's no SES light, but A OBDII scanner read the code P0720, so, i changed the Speed Sensor,i changed a used but in good condiitions set of coils, i made a full service (iridium sparks, filters, inyectors cleaned, motor oil) and nothing happens, the car still feels a lot of tugs and i'm desesperated. any help'll be apreciated, thangs and sorry for my english... i live in Mexicali, Mexico...
thanks....