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Guest Message by DevFuse

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2011 MKX excessive cranking before starting


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2 replies to this topic

#1 OFFLINE   Going_Going_Gone

Going_Going_Gone

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Posted 11 May 2018 - 07:11 AM

 I've observed that the first time my wife starts her MKX (with 90K+ miles) in the morning, it seems to crank excessively before starting.  There is no "check engine" light, but after a Google search, I suspect a possible mass airflow sensor issue.  Could there be stored codes that don't cause a warning light, but could be retrieved with a scanner?  


Bob







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#2 OFFLINE   fordtech1

fordtech1

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Posted 11 May 2018 - 08:50 AM

Could be codes with no light. A scanner can pull them. Sometimes fuel pressure bleed off can cause that symptom or too much ethanol in the fuel. Cycle the ignition twice before starting and see if that makes a difference. That will prime the pump twice. Just dont put your foot on pedal and press and hold start button to turn ignition on. Do that twice before actually starting and see if it makes a difference.

#3 OFFLINE   Going_Going_Gone

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Posted 12 May 2018 - 06:59 PM

Thanks for your suggestion.  I'll try that and the scanner too.  


Bob








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