engine problem

[AMD 240]

hey guys im having a serious problem with my car. its a 86 200sx with the CA18ET. the problem is, i cant rev past 4 grand in any gear unless i floor it, but even then it runs really really really rich. if i dont floor it it just missfires and back fires. so far i have replaced the coils, cap and rotor.

i plan on running sea foam through the vac system to see if im having a leak somewhere. but other than that im lost to what could be causing this.

[elwesso]

I moved this to the CA forum, i think you'll get better help. Good luck!

[boost_boy]

hey guys im having a serious problem with my car. its a 86 200sx with the CA18ET. the problem is, i cant rev past 4 grand in any gear unless i floor it, but even then it runs really really really rich. if i dont floor it it just missfires and back fires. so far i have replaced the coils, cap and rotor.

i plan on running sea foam through the vac system to see if im having a leak somewhere. but other than that im lost to what could be causing this.

Be wary of your afm, Major vacuum leaks in either your intercooler piping (If you have a FMIC) or around your AFM, or the water temperature sensor.

Dee

[AMD 240]

thanks fro oving it. i wasnt sure where to post this since its an ET.

il be checking for vac leaks when i use the sea foam.

the mods to car are...CA18DET T25Greddy Type RS bovVolvo FMICMBC set to 11 psi

[Ca_Silvia]

Unwilling to rev in high rpm could be timing. AFM should cut around 2500rpm

[kapower06]

I bet its a vacuum/boost leak.

[AMD 240]

alright, i just got back from a good drive. car runs fine. but i know for sure its a vac/boost leak. now i just gotta find out which one it is haha