I have an 82 Z28 with the crossfire injection. First of the GM fuel injection. I have rebuilt most of the fuel system. New throttle bodies, air control, injectors new computer and a new low volume Holley fuel pump and still have issues with idle. Damn it varies in idle speed between 1k and 1500RPMmay change to carb. Has anyone done this! I am unsure what the computer drives in the electrics. What else could I do, No don't want a Ford already got one. Any helpful suggestions welcome.
crzyhrse,
Apr 27, 7:43pm
Checked for a vacuum leak!
johnf_456,
Apr 27, 7:50pm
As above use some of that engine start sort of stuff or even carb cleaner/ injector cleaner and if the idle changes while spraying around intakes etc you know where the problem is.
rlr29,
Apr 27, 8:24pm
Vacuum leak or AFM or bleed valve adjustment.
howie69,
Apr 28, 4:32am
Whats the AFM please. Mind isblank on this. Once I hear it will kick myself for dumb question. Cheers
pierced1,
Dec 21, 1:01am
AFM - air flow meter
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