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New ECU, Engine Wiring Harness, still no start. 700 1987

posted by  windsurfcalema on  Tue Nov 27 19:10 CST 2007
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last visit: Wed Jan 23 11:40 CST 2008
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I have spark, there is fuel being delivered right up to the injectors, but not into the cylinders, hence the dry plugs. I am pretty sure I have spark at the right time because when I throw some gas into the intake right before the fire trap, the vapors give enough to the engine to make it bark to life then die immediately. Even if there was a horrible timing sequence, if there was fuel coming to the cylinders, I would have some dieseling going on. It's really puzzling because the hard metal rail leading from the fuel line to the injectors is pressurized with fuel, even when the ignition is off. So the lines are holsing pressure as they should. The pumps turn off when the ignition is off as they should as well. So it got to be something else. What do you think? I'm pretty new at this stuff. I bought my first 1986 245 DL in 2003 and have done nearly all of the work on it it has ever needed. I came out here to Hawaii for school at BYUH, and this 740 is just killing me. I've never been stumped for this long.
Thanks for the support.
John






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