Ok just got my car back after having Somone swap an H22 into it in his garage. It runs Good but still has some problems. After the Car seems to Warm up and after about 45 MPH i get a CEL.. but if the car is warmed up and im just driving through town and i dont go above 40 MPH i dont get the CEL.... another problem i have is after it warms up, when i sometimes push in the clutch mostly at stopes, the car will idle so low and just die. its not the idle cause we messed with that. sometimes the idle will just drop low then go back to normal. The car just doesnt seem to be as fast as it should..... H22 Aem Cam gears(not tuned) stage 2 clutch, light weight Fly weel, Cold air intake, headear exhaust, 91 h22 engine OBD1. in 93 accord
PLease Help!

 

Mine had the same problem and it was my intake air control valve. What is the codes your are getting? Have you checked them yet? This would help to aleviate the problem.