EU 986 cars only have 2 catalytic converters. The headers are straight. They don't have a SAI. One idea might be to flash the ECU with a EU/ROW file. But that won't work with no cats. The ECU gets lambda signals from before and after the cats. So 2 cats and 4 lambdas.
Maybe someone can reprogram the ECU so it does work without cats. But you'll need at least 2 lambdas to run the engine management correctly. And the adaption has to be done to each engine / ECU software version specific.
Optional it might be possible to manipulate 2 of 4 lambda inputs.
Lambdas seam not to be can bus controlled, which makes it simpler.
Regards, Markus
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