i picked up a p28 from the junkyard the other day. i put it in my car with the jumperharness and it idles like shit. the idle surges and i have a cel. sooo then i tried a obd1 gsr computer and it started and ran fine. (NO i did not drive it on the ecu i know what would of happened boom. anywyas. i opend the p28 up and its fucken chipped alredy. my question is can i remove the chip, then have it re chipped?