76 TURBO Z Posted April 13, 2012 Share Posted April 13, 2012 My 76 280z used to run great until it just randomly shut off. I've checked fuel spark new timming. I just recently removed the intake manifold to make sure all injectors are firing properly. I found that the fuel injectors are pretty much firing randomly. What can this be? Quote Link to comment Share on other sites More sharing options...
NewZed Posted April 13, 2012 Share Posted April 13, 2012 Describe random. All 6 fire, but not consistently? Or individual injectors fire at different times? How did you test them? All six injectors should squirt at the same time, in three spark intervals. Quote Link to comment Share on other sites More sharing options...
76 TURBO Z Posted April 16, 2012 Author Share Posted April 16, 2012 They all fired. Some would fire together and some by themselves. I took off the intake manifold with fuel rail installed then cranked the engine to see if all my injectors where firing. I thought that the injectors would fire in the same order as the spark plugs 1-4-2-6-3-5 Quote Link to comment Share on other sites More sharing options...
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