Secondary Hesitation
#1
Professor D.P
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Secondary Hesitation
Upon wide open throttle there is no hesitation when the secondary injectors come on at 3800rpm.
However when driving past the 3800rpm level on half or 3/4 throttle the secondaries hesitate ever so slightly, it does however worry me cause my air/fuel gauge jumps to lean just for a brief moment when the hesitation occurs and that is never good.
What can the cause of this be. I am going to re ground everything that might be related, other than improper grounds what else could be the cause.
Thanks
However when driving past the 3800rpm level on half or 3/4 throttle the secondaries hesitate ever so slightly, it does however worry me cause my air/fuel gauge jumps to lean just for a brief moment when the hesitation occurs and that is never good.
What can the cause of this be. I am going to re ground everything that might be related, other than improper grounds what else could be the cause.
Thanks
#3
i had a simmilar prob on an 86 na, turned out that the grounding straps were corroded and not grounding properly, especially the one from the intake manifold to the rear firewall. hope this helps.
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eplusz
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10-07-15 04:04 PM