How do you fix trouble code p1004?

Answer 1

Trouble code P1004 typically indicates an issue with the intake manifold runner control system, often related to the actuator or its wiring. To fix this code, first, inspect the wiring and connectors for damage or corrosion. Next, check the operation of the intake manifold runner control actuator, replacing it if necessary. Finally, clear the trouble code and test drive the vehicle to ensure the issue is resolved.