kin6521

i have a 94 honda civic hatchback .. it has a d15b7 motor ... the motor was running fine till i changed the intake manifold t a skunk2 proseris intake mani... and now when i first crank it the car runs fine but once it warms up it goes into like a high then low idel ... can anyone help or give me any sugestions ..

Former User

Vacuum or intake air leak. Check for a disconnected vacuum hose or a leaking IM or TB gasket.

kin6521

alright will check first thing in the morning ... thaks and will let u kno what i find out .. thanks

kin6521

i check all that and nothing .. everything is fine any other suggestions

1993eghatchy

i had the same issue with the same motor when i first got my hatch..check everything from the TB to ivac make sure everythings where it goes and the bolts r all tourqued down an check the gasket itself if everything else seems fine

ChrisRogers

Idle air control valve(IACV) Clean it/replace it and see if that works.

kin6521

where is the iacv located wut does it look like

ChrisRogers

Hope this helps

crxpenguin

check the thermo valve under the throttle body if the spring is broke inside it causes a surging idle.

kin6521

thanks everyone for the help but i think i got it fixed now .. i replaced the TPS and adjusted timing and got everything straight .. but thanks for the help wid everything everyone ...

ChrisRogers

Glad I could help and it's great that you got your car running! :D

kin6521

does anyone know if i can put a d16 si trans into my car ... i have a d15b8 block wid a d16y8 head .... just want to know if i can put the d16si trans on it before i purchase it

crxpenguin

good to hear you got your car up and running again