so my question is if its a trigerrable by a preprime key turn to pos II. how does the relay function when car is running.
how does that circutry the creator of this thread talks about keeps the relay closed to keep the fuel pump on.
or is the ecm pulsing power to keep this relay latched.
the problem ...

i am having the exact same problem could you please let me know what you did to fix your volvo
after mine warms up it drives fine. thanks