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Injectors Not Firing

6K views 12 replies 3 participants last post by  brian500 
#1 ·
NOID Light shows pulse
Voltage is 5v with Ignition ON at injector

Car just cranks and cranks, Took the injectors out and cranked it and nothing is firing...

Fuel pump will only prime when I jump the relay.. My question is will the injectors fire with the relay jumped?

As of right now I have spark, I have compression, I have crank.. I have no fuel, This is not a swap car and the last motor that was in it worked perfectly electronically.. I have checked ground also...

Any ideas??
 
#10 ·
From what I have been reading, when the ignition is turned ON the pump gets a signal, With the new relay I am going to NOID test, and fuel pressure test again tonight.. I have my new VAG cable coming in tomorrow so that should help me out a bit more.. I just hope I am not being stupid and missing something plugged in, But I am pretty sure I have gone over the sensors about 12 times.. and either way you should still get injector fire
 
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