1jz swap done but wont stay running need help pls.

[angel's1stsupra]

ok so im done with my swap only to find out the the car wont stay running, as i start it up is starts with a touch of the key but runs for a few seconds. try it again and it does the samething im thinking its a fuel problem anyone out there that can help me pls?

 

[tlo86]

i'll throw out a guess that your fuel pump is not turning on, it runs for a split second and dies.. sounds just like it =P how my car would act if i tried to start it with the fuel pump off..(switch)

 

[Bigzavs]

also check your codes. if you throw a code 14, your ecu is dead.

mine did something similar, hopefully its you fuel, thats much cheaper and less annoying

 

[karlmk3]

check fuses, and check codes i got lucky mine was just a fuse

 

[whitemike]

Check fuel pressure. I had helped with a 1JZ swap where the fuel pump wasn't getting sufficient voltage, and wasn't supplying adequate fuel. The wiring guy bypassed the stock harness and wired the fuel pump to a relay directly to the battery and all went well.

-Mike

 

[mjsn1]

I just swapet my car to a 1jz too. at first it had the same problem, i had the fuel pump connected to the computer. after that i connected it strait to the battery and it worked fine.

 

[whitemike]

Echoooooooooooooooooo

 

[suprachick22]

make sure your alternators not grounded twice also