i drive a 90 crx hf with a obd0 b18a1 swap
i had it running fine but the throttle body was making a noise so i changed it
i put the tps from the old manifold on the new throtle body
wen i first started the car it was idle between 1 and 2 up and down
i took the iacv from an old manifold i had laying around and it idled fine but wen i took it 4 a ride the car shakes like crazy wen i let go of the gas
sorry for the long post
all help is appreciated
any ideas ?

 

please help

 

1. replaced the throttle body with a different one. did you check the setting of the tps before you put it on the new throttle body. They have to have a specific setting. screwed in or just sitting.
2. did you put a new gasket on when you did this?

I would look at the throttle body and how you put it on. before you go damaging anything. Take a known good throttle body with tps that is (factory) attached and go from there. Don't just blindly throw parts at it.

 

thanks i actualy put the tps on right and used all new gaskets but it turns out the iacv i replaced was also bad
i found another layin around put it on and the car rove and idled fine
thanks 4 ur help tho