Ok ! 2001 bonny ssei with 125000 km . Its doing that chugging thing when under load , slight up hill ect ect . I've taken some of your advises and changed plugs & wires , ICM & coils , mass air flow sensor , egr valve , pvc , tranny flush filter & additive , supercharger oil change , air filter ...

I have a 2002 bonny ssei with 118000km and i'm having an ongoing problem to which i cant find a fix. When i'm at easy or steady acceleration going up a hill or even just around 60 to 80km flat area the car starts missing or a hick up (bucking) . I let off the gas then accelerate hard and it stops ...