theelemental

Hi, I have a 1989 CRX converted to OBD1, with a B16a. It has been my daily driver, but I recently developed this problem. When the car is cold, it doesn't have any problem. once it warms up, it gets poor throttle response (at idle, as well as driving), and when driving, if I slow down to anywhere between 1-2.2k rpms, then accelerate, the car shakes unbelievably, and barely accelerates. post-2.2k, it seems to be fine. We idled it once it was hot, and there is a big delay in the throttle response. it also dips in rpms a little before it catches up, and raises again.

Thoughts and ideas would be lovely.

Thanks a lot.

-Matt

tico

check ur TPS voltage and oms.

PISTONEMPIRE

also check your spark plugs and wires. dizzy cap, rotor etc.

theelemental

Dizzy cap / rotor look fine. Dizzy is less than 9months old. Bought some spark plugs today, should put them in later. Also, it idles fairly high. I tried adjusting the screw in the TB, and it still idles 1.2k, at the lowest. does the TPS tell the car when it's at idle / when it's not? I'm going to check the TPS voltage later today.

Thanks for the ideas guys.

PISTONEMPIRE

how tight is your throttle cable? because I know mine was tight as hell and would stay at 1100 -1200 even with the screw adjusted to it's minimum. sometimes it's so tight it never really "rest" completely on the screw it stays suspended. try adjusting your throttle cable to were it has slack and can rest on the screw. Not too tight, not too loose. if that makes any sense.

hope that helps

tico

yes it does even if ur motor is up to factory specs she wont run because the ecu as no way of seeing where the throttle is at.