First motor was a D17A1, had head problems, head was replaced. Problem returned. Motor had 200k+ on it so my buddy decided to swap in the D17A2 (VTEC) motor from Japanstar.
We bought an Apexi VAFC2 and that’s all wired in so the ECU and old Wiring harness can be reused.
The problem is there’s a part on the new motor that doesn’t wire up or plug into anything. From the pictures in my buddys haynes manual I guess its the EGR valve but I’m not really sure. If anyone could tell me what this is, and where to wire it to, that’d be awesome.
As far as what an EGR valve is, it basically just recycles exhaust gas back into the engine as an emissions reducer. As far as how you need to go about hooking it up I haven’t the slightest idea lol.
This! A lot of times you can delete the parameters with tuning too so you won’t get a CEL after deleting it. I know once I get the itch to start modding my car first 3 things will be Accessport, EGR delete and, BPV. No real power gains but with the direct injection and Mazda tuning the MS3 pig rich, the EGR leads to carbon buildup faster than most engines. The accessport let’s you disable the EGR parameter.
Well its running off his nonvtec ecu with the apexi adapter so deleting it shouldnt be an issue CEL wise. Thanks for the tips I thought Id be getting flamed for not knowing :thumbup:
A block off plate would work, but if the EGR isn’t filthy and plugged and not able to close fully, a lot of times the EGR is closed when not connected an would essentially work as a block off plate with no work needed.
