01 lb7 cranks too long!
#1
01 lb7 cranks too long!
ok so i got a 01 lb7 with a zf6 tranny that runs fine once started but when it comes to starting is a she-devil! sometimes it'll only crank 10seconds or no start. mostly it starts but more often i have to crank for 30 plus seconds. it seems to help by holding the petal to the floor PLEASE HELP IF YOU CAN
#2
#3
i've checked the oil and all is it should be. i put an after market fuel pump thinking that would solve the issue, nope. the batteries are good, red top otimas with a good connection. i've cleaned and checked all the lower engine grounds. all the wiring connectors have just enough electrical grease. i replaced the cp3 and the ficm so i cleaned and greased all the connectors to get the truck running!! in has brand new heads on it. oh when it finally decides to fire the injectors its a poof of white followed by strong black. it doesn't haze if i leave it idle for long periods of time so it makes me question if its the injectors
#4
i've checked the oil and all is it should be. i put an after market fuel pump thinking that would solve the issue, nope. the batteries are good, red top otimas with a good connection. i've cleaned and checked all the lower engine grounds. all the wiring connectors have just enough electrical grease. i replaced the cp3 and the ficm so i cleaned and greased all the connectors to get the truck running!! in has brand new heads on it. oh when it finally decides to fire the injectors its a poof of white followed by strong black. it doesn't haze if i leave it idle for long periods of time so it makes me question if its the injectors
Do you have a way to monitor rail pressure?
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