I have posted and posted on other sites but I cant find the awnser. I have a 91 CRX Si with a b16a swap. My problem is when the car gets warm and at idle it slowly rises and drops from 550rpm to 1000 rpm. I say 550 because it will not do it if I have the idle screw all the way in. If i turn it out just a little it will start doing it. I have checked my eacv, tpa, manfold temp sensor, I have changed fpr, fuel rail i have rest my ecu nothing. All of this started happening when I changed the fuel injectors. After I put the new ones in they were a little to big in cc so I put the stock ones back in......than it started. I am going to go get new injector seal kits tomorrow that is the only thing I have not done. If any one has any ideas let me know.