i have a 91 ef hatch with a jdm b20. i was having problems with it running it was flashing code 4 and 9 crank angle sensor and no.1 cylinder position so i changed the dizzy out and code 9 is still on but the car runs great and tips on how to get rid of cel???

 

If you've replaced the distributor and still have a position sensor code, check the wiring.