So I finished the swap and got the 4.0 running . When I drive it around the block it has no misses and seems to be running great. All gauges are working and the vehicle is getting up to temperature. Everything seem to run fine, but it wants to stall when it's at idle or stopped in gear. I have tried cleaning the Idle Air Control with a half can of cleaner at idle and no change. I got a new IAC and installed and no change. Also changed out the map sensor, no change. There is a check engine light, but I'd expect that because I'm running a different computer than was in the vehicle and I have a dash cluster from another used vehicle. When I hooked up my code reader it came back P0108- MAP electrical circuit sensor having too high input to ECU and P1495-Leak detection pump solenoid circuit. I changed out the MAP and no change. I cleared those codes and they have not come back on after driving around the block a few times, but still having the same issue. I have also replaced the fuel pump and put a new battery in. Any other ideas? Any help would be appreciated.
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