HEY I JUST DID A SWAP ON MY EJ1 AND IM RUNNING A B16A2 ON THE ORIGINAL OBD1 ENGINE HARNESS... FOR THE MOST PART ALMOST EVERYTHING PLUGGED UP... IT RUNS GOOD, THE VTEC WORKS GREAT. BUT I WAS WONDERING IF WAS HOLDING THE MOTORS FULL FORCE WITH THE OBD1 HARNESS?? THE CEL TURNS ON BECUASE I THINK IM HAVING A VACCUM PROBLEM... I WONDERING IF I SHOULD I PUT EVERYTHING BACK TO BE OBD2 AND GET A JUMP HARNESS...ANY ADVICE??? I AM NEW TO HONDA TECH SO I HAVE THOSE SHITTY *** LIMITS SO PLEASE EMAIL ME!!! THANKS... hllopez870@yahoo.com