Jeep Enthusiast Forums banner

won't start when cool outside

470 views 2 replies 3 participants last post by  XJeepness 
#1 ·
my jeep will not start unless its above about 10 degrees celcius. this is very strange and i cannot figure it out. 87 4.0. i can hear the fuel pump every time, but can't seem to get fuel. as soon as it warms up outside a bit it will start. i tried to find some seafoam, but i live in canada and can not find it anywhere. anyone have any ideas what my problem could be?

thanks

:brickwall
 
#2 ·
it sounds like moisture is getting into your wiring because it being that cold. try some di-electrical grease and spray it on all your wires. Take them apart and spray the connectors too.
check for fuel pressure at the fuel rail, but I think it is the moisture thing that is giving you trouble because it goes away when it gets warm outside drying your wires.
 
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Top