P1520 MAZDA – Intake Manifold Runner Control Circuit Fault

P1520 MAZDA Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P1520 MAZDA Possible Causes

Faulty Intake Manifold Runner Control (IMRC) actuator,Intake Manifold Runner Control (IMRC) harness is open or shorted,Intake Manifold Runner Control (IMRC) circuit poor electrical connection,Faulty Engine Control Module (ECM)

P1520 MAZDA Description

The Intake Manifold Runner Control (IMRC) is monitored for failure during continuous or key ON engine OFF self-test.