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Nemesis EMS - Install 10/7/2008

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 HydraNemesis MR2 installation.

The Nemesis install isn't too bad at all. The actual unit simply replaces the stock unit in the Toyota MR2. The hardest part is routing the intake temperature sensor install, and sensor wiring.

0NEMESISUNIT Cold_Start_Injector Cold_Start_Injector_Removal_001 IMG_5409 MSD001 MSD002

Fortunately, the sensor simply screws on in the same spot as the stock cold start injector. If you are running the wideband with the nemesis, you simply run the wires through a hole in the rear right part of the trunk. Once you have routed the wires, you can connect the spades into two of the three connectors. There is a large Blue one, and a gray one that you will insert the spades into. An interesting thing is that unless you remove the clips that hold down the connector to the nemesis, the spade can't fit. I removed the clips, and saw that the connectors only go in a certain direction, just like the directions had explained.

MSD003 NEMESIS_5412 NEMESIS_5413 NEMESISLAPTOPCABLE Wideband_5400 Wideband_5401

Before installing the wideband into the downpipe, the instructions ask to perform a free air test. You perform this after checking your narrowband. On the software loaded, you check the afr for narrowband on the left of the screen. You go to the sensor screen under maps, and mess with the uego number. Normally from 126 to 130, but I had to go to 135, to bring the baseline up to 14.7-14.8.

Once the narrowband baseline is performed, you want to check the wego setting. You hang the wideband outside the downpipe, and turn the ignition on and wait around 2 minutes for it to heat up. Man does it get hot! After allowing the 2 minutes to pass, you verify that the afr in the nemesis screen is showing 20.7-20.8, if not, you will need to go to the setting-->Sensor screen. As with the narrowband baseline, you will need to change the number until you can reach the 20.7-20.8 figure. The normal range this happens is around 170-200.

Once these two baselines are done, you are ready to start tunning!!!

Wideband_5403 Wideband_5407 Wideband_5422 WIDEBAND_Free_AirMode_Test WidebandToNemesisConnectionsBlueConnector WidebandToNemesisConnectionsGrayConnector
WideBandVacumRoutingRearEngineCompartment WideBandVacumRoutingRightRearTrunK

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