Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

y7 harness y5 motor

 
Old 05-27-2019, 01:55 PM
  #1  
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Default y7 harness y5 motor

i have a d16y5 motor and p2p ecu with a d16y7 harness. my question is; is the reason my car wont pass 3500 rpm in any gear because i have a y7(non-vtec) harness with a vtec motor and ecu? just want to make sure im seeing this situation right
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Old 05-27-2019, 03:01 PM
  #2  
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Default Re: y7 harness y5 motor

You have to have all the VTEC-E parts to make a HX package run properly. You can't swap them with other models. The P2P is the wrong ECU for the D16Y5, it is for a regular VTEC engine not VTEC-E.

With that said, you might want to check your cam timing, not revving over 3500 is often because of that. It might then run a little better but still will not be right.
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