kevin;
If the MAP sensor is a problem a code 44 will show. I know you don't see it listed; it's a number not yet released that has been added to the ECM fault registry. Start looking at a lost elec. connection to the ECM BV+ and also BV-. Also, just for curiosity what are the number you are seeing in window A2-13 Lower level? Are they running between 75 and 125? The other thing to look at in monitor mode would be window A2-04 Lower level LPG inj pulse along with A2-02 Lower level Bat volts at the ECM. Another point of curiosity was an Idle Air Volume Learn showing up in window A2-08 Lower level as having been Exe. ?