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Old 07-14-2023   #1
Dijkslagje
 
Join Date: Jul 2023
Location: Holland
Posts: 1
Default Injector not opening

Hello I?m new to group don?t mind the English I?m from holland.
I?m working on a zr1 1990 when I begun working on the car the client bought the car with no engine, and someone was been cutting in all the original wires.
I put in a original used wiring that was cut off at the firewall, solder all of the cables. And put in a rebuild engine.
Today we tried to start everything is working we have fuel on the rail, spark is there.
We have 2 ecm?s, 1 off them refuses send a signal to the fuel pump, then we tried the other ecm and the fuel pump works🥳
Only thing is, it seems that the ecm doesn?t send a signal to the injectors to open them, we do have a positive on the injectors.
Can it be that there is a problem with the vats system?

Hope you guys can lead me to the right track, it was not an easy job 😅
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Old 08-09-2023   #2
YoungGun
 
Join Date: Jul 2022
Location: Detroit, MI
Posts: 5
Default Re: Injector not opening

Cannot be VATS as that would disable the fuel pump and spark plugs
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Old 08-10-2023   #3
viper107
 
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Join Date: Dec 2019
Location: st louis mo
Posts: 748
Default Re: Injector not opening

did you check all the fuses?
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