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Discussion Starter · #1 ·
I have a 2012 Rex and it is pouring fuel into both cylinders. Injector was replaced even had it taken to the shop and they had it narrowed down to maybe the programmer or the ecu but we had the programmer unhooked and it still did the same thing. Is there any way to test the ecu and see if it’s the issue? Thanks to whoever might could be able to help.
 

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should be easy to verify . remove the injecters from throttle bodies, re connect the fuel rail to the injectors and hope they dont pop off prime the fuel system several times and c if they drip fuel
 

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That will check the injectors and not the ecu
ecu failure is very rare. but would be easy to check. the fuel injector circuit is simply ground controlled by the ecu. they are always powered. ignition coils are same way, the ecu has has they call "ground drivers" in it and thats how the ecu fires the spark and fuel
 
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