I have changed the EGR VALVE REPLACED THE MAIN FUEL LINE,DID A COMP. CK. ALL CYLS. READ 150 PSI AND I LET IT HOLD FOR OVER A MIN. AND NO DROP.THERE IS A NEW TPS.MAP .FUEL SPIDER ASSY. STILL BOGGS .I CAN GET IT TO STAY RUNNING AT IDLE AFTER CONT. STARTING FOR ABOUT 10 TIMES . BUT EVEN AFTER LEFT RUNNING FOR A WHILE IT WILL BOOGS AND STALLS THX FOR ANY AND ALL HEEEELLLLLPPPPP. HELP