2000 Infiniti Infinity QX4 Repair Question
Topics covered: Engine, Intake valve, Sensor.
Mileage: 12,500 miles.
Mileage: 12,500 miles.
Asked on November 20, 2012
Infiniti Infinity QX4 Engine Problem
Getting a "Service Engine Soon" light. Advanced Auto read a "P1140" code. What am I up against?
Asked by bubba2beesAnswer
Replied on November 20, 2012
P1140 - Intake Valve Timing Control Position Sensor.
Most likely the Valve Timing solenoid is not functioning correctly causing the code to be triggerred. If engine is heavily sludged, remove the solenoid valve and clean it and its passages and retest.
