Read on a post that if it starts that way it needs iac replaced. Say what you want, I would agree with you normally but you can crank on that starter til the battery runs dead but if you pump the throttle it starts. I see the dealer did not replace the base gaskets and the 90’s tbi trucks went...
I have a 2002 crownline with a 2001 5.0 merc efi. I seem to be chasing a ghost! Sometimes it will start right up and hiss at me other times it starts hard and I have to pump the throttle to get it to start then I purrs like a kitten. Merc dealer had it a month replaced IAC, fuel pump, fuel...
