hard/no start when hot

biged681985

Arklahoma Bombers
i have a 2006 ram 2500 i got over the weekend. truck starts fine when motor is cool. it started hard start when the motor was hot, now it doesnt want to start at all till it cools off. i swapped the cp3 out yesterday, just to make it it was not it. still hard to start hot. injectors were supposed to be new reman cummins injectors. only thing currently done to the truck is a efi tune. also, when you free rev the motor at half throttle to about 200-2500, the the idle hangs and slowly comes down, about 250-300 rpms at a time. takes about 10 seconds. to get back to idle
 
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