Zlovemachine Posted March 17, 2006 Share Posted March 17, 2006 I did the 300zx ECU MAF swap and now i am runnning really lean. It is so lean that it does not read on my Air/Fuel Meter Guage. it will only read if i floor it passed boost then it jump from not reading to to the first green light on the guage. I do have something wired happening with the return line there seems to be no pressure there at idle. The line is really soft compared to the really hard feed line. Why would this happen? I have a fuel cell and larger feed line and using stock feed line as return line. Could this be the problem? Quote Link to comment Share on other sites More sharing options...
Bernardd Posted March 17, 2006 Share Posted March 17, 2006 Change the FPR. Quote Link to comment Share on other sites More sharing options...
AK-Z Posted March 17, 2006 Share Posted March 17, 2006 I assuming you have a L28et with MAF and z31 ecu. If i recall two of the injectors should be switched from the order they are on the z31, I don't remember which ones though. Quote Link to comment Share on other sites More sharing options...
Pyro Posted March 17, 2006 Share Posted March 17, 2006 try increasing fuel pressure. Quote Link to comment Share on other sites More sharing options...
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