ED-EF Swaps 1991 and older Civics, CRXs

"Done" my ZC swap but having problems HELP?

Old 04-05-2007, 04:24 PM
Junior Member
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Join Date: Jan 2007
Posts: 21
Default "Done" my ZC swap but having problems HELP?

Well I did the ZC swap (by the way nobody mentioned i would need an SI ECU for the dpfi to mpfi). Finally it idle's really nice but I am getting this crazy surging in the enginewhen I try toaccelerate. It eventually gets over it at highrpm's. But the engine will speed up and slow down back and forth whenI'm just holding thepedal still. My guess are like a vacumm leak or something but does anyone have an idea? I would love some help
Old 04-06-2007, 10:59 AM
Join Date: Jan 2007
Location: So Cal
Posts: 417
Default RE: "Done" my ZC swap but having problems HELP?

oaky i see you have a post....it could be your air sensor is really dirty this happened onceto friend of mine and it just had to be cleaned but it was replaced...
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