P1509 ISUZU – IAC System RPM High

P1509 ISUZU Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P1509 ISUZU Possible Causes

Faulty Idle Air Control (IAC) valve,Idle Air Control (IAC) valve harness is open or shorted,Idle Air Control (IAC) valve circuit poor electrical connection

P1509 ISUZU Description

IAC System RPM High is the generic description for the P1509 Isuzu code, but the manufacturer may have a different description. Currently we have no further information abouth the P1509 Isuzu OBDII code.