Engine, Intake, Exhaust Modifications to your Normally Aspirated Hyundai engine. Cold Air Intakes, Spark Plugs/wires, Cat back Exhaust...etc.

CEL and BTB

Old Oct 9, 2001 | 08:50 PM
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The CEL should not come on.
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Old Oct 10, 2001 | 02:23 AM
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You can get the wiring diagrams for the S-AFC from the Fxtreme FAQ (I think they are in there).

The DIS-2...you'll have to try to figure that one out from www.hmaservice.com. I think OnPol has one, so he might be able to give you some pointers on wiring.

The CEL should NOT come on for the BTB. My guess is that it has something to do with the idle bypass and the idle screw being to high or too low.

With the level of mods you are at, I highly suggest you look into the OBD-2 software and cable, so you can reset your own CEL lights and find out what error code triggered them.
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Old Oct 10, 2001 | 04:36 AM
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Get the dealer to read the code, there have been a few cases where a btb gives low idle, the motor sees lots more air and idles lower to compensate, just use the idle adjust screw to fix that. You may also see a too much air, which means you need to clean dirty injectors, if it's neither of those codes it's not the btb.
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