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I agree with Ronnie that the car has to "relearn". The prom is the same except for vehicle identity and mileage. It should work fine. When you first stated with your issue there was no complaint about "rough running". Did you swap spark plug wires around or maybe damage 1 [or 2] or have them on the wrong spark plugs or coil pins?

Thank you I am going to put new brake lines on and follow the procedure for bleeding The way I have read it on the site for the ABS system hopefully that will fix my problem I will keep you posted should know something within the next few days thank you so much

Well I installed a different BCM and after disconnecting the battery for a period I now have all my functions on the CRT. No dash yet for the IPC but that can wait. Car is running hot and rough. I went ahead and cleared the code history in all sections to make sure there were none left over from the bcm's previous incarnation. Now I get to wade through the various diagnostic modes to see what i can find. The only current code is for the Air Mix Door which is the air blend for the HVAC. Issues to resolve: - I have not seen the cooling fan turn on yet - Screen message states that the car is overheated - gages show the temperature at 197 and no fan - I did receive a message about Engine Control Management - AC Freon is low but the least of my worries at this point. - IAC replaced, IAC port cleaned but still surging idle and hard start. Going to test the Fuel Pressure with a gage. - Major progress but much more to wad through! Kudos to Ronnie for the BCM suggestion and thanks to another member for selling me a viable BCM!

Here's a couple photos taken in the last few years. We have owned this '91 vert since 2007, averaging a little over 2,000 miles per year. It's been a good car, still puts a smile on my face when my wife says, "can we take the Reatta?!"