I get the error code 1510. on 2000 Chevrolet Tracker

From what I can find it means that the ISC Solenoid Valve signal #1 circuit malfunction low input. What is this and where is it? Can it easily be replaced?

Asked by for the 2000 Chevrolet Tracker
1 answer
Idle speed control solenoid valve. Unsure of location but tried to locate info online but was not successful.