De-cat exhaust system - Toyota Yaris Forums

Motorhead6T5 · 07-17-2007, 03:17 PM

If you delete the cat you will need a mil elim,since the ecu cannot be reflashed to turn the rear 02 circut off(yet). A mil elim is a malfunction indicator lamp eliminator. Its baisicly a resistor that tells your ecu that it is getting a clean reading ,it is pluged into the rear o2 harness.

Black Yaris · 07-18-2007, 05:01 AM

Quote:

Originally Posted by Motorhead6T5

If you delete the cat you will need a mil elim,since the ecu cannot be reflashed to turn the rear 02 circut off(yet). A mil elim is a malfunction indicator lamp eliminator. Its baisicly a resistor that tells your ecu that it is getting a clean reading ,it is pluged into the rear o2 harness.

or you can do it the easy way and get defoulers for a few bux

07-17-2007, 03:17 PM	#1
Motorhead6T5 View User's Garage Drives: 07 NCP96 Join Date: Jun 2007 Location: NorCal Posts: 209	If you delete the cat you will need a mil elim,since the ecu cannot be reflashed to turn the rear 02 circut off(yet). A mil elim is a malfunction indicator lamp eliminator. Its baisicly a resistor that tells your ecu that it is getting a clean reading ,it is pluged into the rear o2 harness. __________________

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