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Great. I ordered the new switch and coolant temperature sensor to try. Will post if it improves the idle.
I do have a coolant temp sensor. I also have a coolant temp switch on the back thermostat by the throttle body that is broken. Could that be the problem?
have you ever had any problems with the idle. I have a 97 accord lx and the idle surges. I have replaced the iac, and the throttle body. Map sensor fast idle valve and the intake Manifold. Also when I have the car in gear at a red light it starts jumping like it’s not getting enough gas. The car does not throw any codes.
Do you know what it might be causing the surge? I’ve read online that it could be the wires to the 02 sensors? But like I said it doesn’t throw any codes. Could it be the charcoal sensor in the back of the car? Or the egr valve. Or a specific area where there might be a vacuum leak?