SERVICE ENGINE SOON LIGHT IS ON

  • Tiny
  • keriaks
  • 2004 Ford Explorer
  • 142,620 miles

Hello,
Service Engine soon light is ON on my 2004 Ford Explorer /142K miles. ODBII error codes are P0300, P0302, P0312 and P0316. Could anyone please let me know what could be wrong and what should be the go forward plan?

Thank you
Arun

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Monday, October 21st, 2013 AT 1:35 PM

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  • Tiny
  • caradiodoc
  • Expert
  • 25,431 posts

P0300 - Random/Multiple Cylinder Misfire Detected
P0302 - Cylinder 2 Misfire Detected
P0312 - Cylinder 12 Misfire Detected

I don't show a listing for code 316, and I really doubt you have a 12 cylinder engine! The most common cause of misfires is spark plugs, and spark plug wires and / or ignition coils, depending on which engine you have. Start with those if they haven't been replaced in a long time.

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Monday, October 21st, 2013 AT 3:10 PM
  • Tiny
  • keriaks
  • Member

Thank you. I have warranty on the car as I just bought it 10 back from a car dealer. I am planning to get this checked out and will post back results soon for everyone else knowledge.

Thank you again for the quick response.

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Monday, October 21st, 2013 AT 3:15 PM

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