Just finished the swap....2005 gtp entire front end swap in 03 mc ss .. Problem us it starts and last for about 4 seconds and die... If I plug maf up it dies in one second...... Another thing it revs up to 3k when it does crank..... I have good fuel pressure good spark new iac new map... all vac hoses are new and hooked up fpr is not wet around nipple....