i have that stupid air fuel ratio gauge i am not sure where the signal line goes to… the oxygen senor in the sr 20 det has three wires which one is the signal line… does anyone knows
thanks
john…
The colour is white. But put into the ECU harness. Look for SR20DET ECCS on Google search for the correct pin #.
Do you have a fuel computer? Get an EGT gauge. It’s way better. That way you can use it to tune your car.
Nate