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Gas smell from heat when engine turns on

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4 replies to this topic

#1 OFFLINE   ShoulderThingThatGoesUP


    New Member

  • C-MAX Energi Member
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  • 226 posts
  • Region:U.S. Northeast
  • LocationEmmaus, PA
  • My C-MAX:2013
  • Current Vehicle:2013 C-Max Energi

Posted 11 December 2018 - 11:46 AM

So pretty often when my engine turns on after I have been running the heat, there's a brief fuel/exhaust smell in the cabin which then goes away. Does anybody else experience this? I had assumed this was just due to using gas, but it doesn't happen in my Pacifica PHEV.

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#2 OFFLINE   rbort


    Energi Member

  • C-MAX Energi Member
  • PipPip
  • 4,337 posts
  • Region:U.S. Northeast
  • LocationFranklin, MA
  • My C-MAX:2017
  • Current Vehicle:Cmax Energi Titanium with Moonroof

Posted 11 December 2018 - 06:37 PM

No not normal, might have some leak somewhere?



#3 OFFLINE   fredf


    New Member

  • C-MAX Energi Member
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  • 58 posts
  • Region:Decline
  • Locationdenver
  • My C-MAX:2013
  • Current Vehicle:CMAX Energi

Posted 11 December 2018 - 07:02 PM

not good

#4 OFFLINE   olidx


    New Member

  • C-MAX Energi Member
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  • 52 posts
  • Region:U.S. Pacific Coast
  • LocationSan Jose, California
  • Current Vehicle:C-Max Energi

Posted 12 December 2018 - 11:49 AM

I have not noticed this either. Sounds like a check on your fuel line may help to figure it out. Perhaps there is a fuel line or a gasket that needs to be repaired for a minor leak.

#5 OFFLINE   Levi Smith

Levi Smith

    Energi Member

  • C-MAX Energi Facebook
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  • 969 posts
  • Region:U.S. Northeast
  • LocationUpstate NY
  • My C-MAX:2013
  • Current Vehicle:2013 C-Max Energi 303A W Panoramic Roof

Posted 13 December 2018 - 09:11 AM

I recall when I had an injector fail on my Max, my mechanic said that 2 of the others were damp with gas.  Apparently that's what they do before they fail.  So, if it's an actual gas fume you're smelling, barring anything else, I'd probably check the injectors...

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