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Old 05-16-2018, 11:05 PM   #28
Join Date: Feb 2014
Location: Missouri

Originally Posted by ZVOLV View Post
Why would bypassing a relay when there is already power do anything for you?
Just because some voltage is getting to the relay doesn’t mean sufficient current is being supplied to the injectors
Originally Posted by MikeSr. View Post
Pull the fuel injector relay, then jump power to the output. If it starts and runs, the ecu has failed to provide a ground, a common failure. Replace it.
Jumping the fuel pump relay doesn’t work on a 7/9 because it also provides power to the RSR. So your pumps will cycle but injectors won’t fire. At least on the ones I’ve driven.
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