F115 - no signal to #2 injector

pbob42

Seaman
Joined
Jul 14, 2023
Messages
52
Tested with a NICO light - 1, 3 and 4 all good, 2 no good. Figuring harness or ECU. Anyone have experience with this?
THX
 

Jeff J

Petty Officer 1st Class
Joined
Jun 23, 2021
Messages
281
Sometimes disconnecting and reconnecting a harness can get things working. If that fails then I would do a continuity check on the wire followed by checking for the signal coming from the ECU.
 

boscoe99

Commander
Joined
Aug 22, 2013
Messages
2,132
By signal I presume that the ground wire is not completing the circuit when it should?

And that the injector itself is known to be working?

Have you verified continuity on the ground wire from the injector to the ECU?
 
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