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Hi all,
A well known trick in the watercooled VW community for eliminating CEL's after a decat is this:
Put two modified spark plug antifoul devices on the downstream o2 sensor. This causes the downstream sensor to record a lower measurement, and fool the ECU into thinking there is a cat between the sensors. Since the pre and post cat sensors change proportionally, it works where the resistor mod does not.
The antifoul devices are maybe $5 at autozone.
Instructions
S2000 Forums -> Mechanical O2 Simulator
What say ye?
GM
A well known trick in the watercooled VW community for eliminating CEL's after a decat is this:
Put two modified spark plug antifoul devices on the downstream o2 sensor. This causes the downstream sensor to record a lower measurement, and fool the ECU into thinking there is a cat between the sensors. Since the pre and post cat sensors change proportionally, it works where the resistor mod does not.
The antifoul devices are maybe $5 at autozone.
Instructions
S2000 Forums -> Mechanical O2 Simulator
What say ye?
GM