No injector pulse??

ty1435_4.3

ty1435_4.3

Shes almost ready
Ok guys I have a problem. I am trying to start the truck. It sat for about 2 years. If I put a volt meter on the injector connector I get voltage but if I put a "NOID" light I get no light. So she wont start. So what can I check. Im going to put the stock injectors back on and the stock chip and see what happens. But I DO have fuel pressure, I DO have spark, HELP. LOL TIA Mike
 
ty1435_4.3

ty1435_4.3

Shes almost ready
Re: No injector pulse??

Ok I checked the module at work. Its good. I have NO CEL but I have spark. Also something weired is that if I jump the starter solenoid with the ignition off and after Im done cranking I can hear the fuel pump priming??? Also I swaped ecu's and no change. Im going now to put in the stock chip and injectors to see what happens. TIA
 
ty1435_4.3

ty1435_4.3

Shes almost ready
Re: No injector pulse??

I changed the injectors and still no start . Dont know what else. Im willing to bet it something SOOO simple.

QUESTION. Is there a injector relay??
 
UR50SLO

UR50SLO

V6+2=LSXCamaro
Re: No injector pulse??

No... no injector relay.

The "INJ" Fuse powers the pnk/blk wires to the injectors with the key on.

The ECM then "Grounds" the other side of the injectors for them to fire.

When you turn the key on the fuel pump does prime......correct?

Get on chat here in about 30min I'll go home and fire up the lap top there.
~Scott
 
ty1435_4.3

ty1435_4.3

Shes almost ready
Re: No injector pulse??

Yes fuel pump primes. Also when I take a light tester and check the injector harness the relay behind the distributor clicks. Also i dont know how to get on the chat.
 
ty1435_4.3

ty1435_4.3

Shes almost ready
Re: No injector pulse??

Ok I just checked power on the fuses I got 12v on ecm 1 &2 . On the ecm connector which pin# or wire color recieves power from that fuse?
 
ty1435_4.3

ty1435_4.3

Shes almost ready
Re: No injector pulse??

I checked all the wires. I have ign where there should be ign. I have 12v+ where there should be 12v+ and I have grounds where there are supossed to be grounds. I dont know where are what else to check. Im going to add another chassis ground to the block and see what happens.
 
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