GETTING A SERVICE ENGINE SOON LIGHT.

  • Tiny
  • Bubba2bees
  • 2000 INFINITI INFINITY QX4
  • 12,500 MILES

Getting a "Service Engine Soon" light. Advanced Auto read a "P1140" code. What am I up against?

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Tuesday, November 20th, 2012 AT 12:10 AM

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  • Tiny
  • KHLow2008
  • EXPERT
  • 41,981 POSTS

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.

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Tuesday, November 20th, 2012 AT 2:36 PM

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