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Nikita
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Joined: Mon Mar 21, 2011 3:10 am

How to verify/diagnose L-Jet?

Post by Nikita »

Hi guys!

I`ve got some trouble with my L-Jet 75 3.0 V6: there is no signal to injectors. Engine starts on the cold start valve and stops after 1-2 seconds of working.
All the grounds, pump relays, spark, wires from MAF and ignition switch is ok. We opened cold starе valve forcibly, run the fuel pump from battery and engine followed to work, but with huge black smoke and no higher than 1500-1800 revs.
I`ve read similar topics and technical issue about L-Jet by Greg Gordon, but unfortunately, I didn`t find how to verify L-Jet ECUs and so its problem because we had no another L-Jet to compare.

Any ideas where to look?

Thanks, and excuse me for my english - I am from Ukraine.
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