Quote:
Originally Posted by pyoungbl
The RX4 has a throttle body with a stepper motor to control idle speed by adjusting air bleed to the engine. There is no screw adjustment anywhere on the assembly. Some riders try to fool the ECU into thinking that the engine is running colder than the actual temp, just getting the ECU to inject more fuel. This 'fooler' is just an electrical resistor. Such a mod runs the real risk of over fueling across the board, washing the cylinders of oil needed for lube, and engine failure.
I just verified the lack of a screw by looking at the spare TB I have in my shop.
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Bummer. It was just an outside of the box idea from another thread.