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Discussion Starter #1
Hey All

I have looked hi and low but having no luck finding a wiring diagram of the wiring colours for RB20DET injectors, I want to check they are wired up correctly as some cylinders are filling up with fuel when the pump primes so no fuel pressure as it goes straight into cylinder 5 on prime which is odd as the injectors are clicking on and off if i spin the CAS.

Any ideas? i just wanted to start by checking the wiring, its a full rebuild so everything has been out to a bare shell and now rebuilt.

David
 

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384 Posts
Can't help you with the wiring I'm afraid. Are the injectors new / replaced, and / or did you have them flow tested before installation? I have a set of injectors waiting to go in, but since they were lying around for about 10 years I had them inspected. I was fully prepared to find out they were shot, but apparently they are fine!
 

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If the cylinders are filling with fuel its unlikly to be a wiring fault it will be the injectors stuck open or internal seals failed.
 

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Yes take them out and turn the ignition/fuel pump on you will soon see if they are leaking its always best to get injectors flow tested even new ones.
 
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