nmp27

iTrader: (2)

Is there anything outside of preload that can cause this?

I have to crank for a bit, then it starts to hit and then starts up just fine
running the caddy lifters and 5w30

Please help!

Nick

ArcticZ28

iTrader: (14)

Fuel pressure not holding in the rails could cause that. If it's leaking back down the lines to the tank it would take a couple seconds for the pump to get enough in the rails to fire up.

Z28_DAD

iTrader: (18)

i agree w/ arctic. try cycling the key a few times to let the fuel pump prime. if it fires rights away, the fuel pump is to blame unless you have a fuel leak

PlatnumStatuz

iTrader: (6)

I'm gonna say electrical/fueling issue rather than engine mechanical. How long do you have to crank before it fires?

SSwanner

iTrader: (128)

try turning the key on and waiting for 3 seconds before you "crank" it. if it fires right up there is your problem. does it do the same if you cut it off & recrank it?

btw- i've seen a lot of cars with aftermarket fuel pumps do this, mine included. some worse then others.

BriancWS6

iTrader: (18)

Even if the lifters were bleeding off, the car would still start, it would just be noisy the first little bit.

nmp27

iTrader: (2)

Ok, I'll keep an eye on the fuel pressure gauge during lunch, it has the same LPE pump in the tank that it had before I put this new motor in and it didnt have this issue, so thats why I pointed to the lifters first.

thanks again for the help

nmp27

iTrader: (2)

Well, I cycled the key a few times and that was the problem, but this damn thing has ran for about 45min now and I never had to do the key cycle thing before, anyone have any ideas why it would be bleeding off?

02Z w/LPE pump

Thanks again for all the help

deedunster

Some of the foreign cars have fuel accumulators which hold the fuel preasure constant. I am not sure if Pontiac does if so replace it because it is leaking past the diaphram and not holding preasure.