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Old 18-11-2020, 13:02   #1
Dabsy
Senior User
 
Join Date: Dec 2008
Location: Derby
Car: Evo 6RS gone, Evo 7 RS
Posts: 720
Evo 4 ECU problems

Ok guys, i need some help please from a local friendly Evo 4-6 owner who is still running MAF.

My Evo 4 is running on MAP and I suspect aftermarket ECU (AEM series 1) is giving me no coil signal (5v).

I've bought Evo 7 ECU, MAF and a set of 560cc injectors to try and get it running.

I bought the Evo not running and have done a load of wiring tests to conclude the above issue. My major problem is that the MAF plug has long gone and I need to determine where the wires come out of the main harness so I can trace back and put a MAF plug back in.

Basically I need a friendly owner who doesn't mind me taking a quick look at the wiring routing in the engine bay RH side location so I can pull mine apart and rewire.

Alternatively anyone with a close up picture of where the loom starts for the MAF in the engine bay RH side?

Alternatively I could try running the Evo 7 ecu without wiring in the MAF, I only need to get it running on idle and low revs to make sure there aren't any major problems with the engine. Woud this work?
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