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Guest Message by DevFuse

Get you C-MAX Hybrid Registered in the official Ford Authorized Registry. More here.


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Terra clean recommended by Ford


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25 replies to this topic

#21 OFFLINE   WNY

WNY

    C-Max Hybrid Member

  • C-MAX Hybrid Member
  • 112 posts
  • Region:U.S. Northeast
  • LocationCuba, NY
  • My C-MAX's Year:2013
  • Current Vehicle:F150,Mustang, Escape

Posted 01 October 2018 - 05:10 PM

I just put a bottle of Techron Fuel Injector cleaner in mine. Have to give it some time to work thru. 

I have run the NOS Octane booster on long trips and it does seem to help get a few more MPG. 

I Have a long trip end of the month coming up, so getting it ready for it.









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#22 OFFLINE   raadsel

raadsel

    C-Max Hybrid Member

  • C-MAX Hybrid Member
  • 633 posts
  • Region:U.S. Mountain
  • LocationHouston, TX
  • My C-MAX's Year:2013
  • Current Vehicle:C-Max SEL

Posted 02 October 2018 - 03:43 PM

I've been trying out the Lucas cleaner. I think it has done some good but much of it may be that the temperatures have been lower the last couple of weeks, so we'll see how it does longer term.



#23 OFFLINE   Zathrus

Zathrus

    C-Max Hybrid Member

  • C-MAX Hybrid Member
  • 91 posts
  • Region:U.S. Great Lakes
  • LocationIllinois
  • My C-MAX's Year:2013
  • Current Vehicle:C-Max Hybrid

Posted 03 October 2018 - 09:18 AM

I have also started using the Lucas Upper Cylinder Lubrication & Injector Cleaner for the past 2 tanks. Have noticed ICE is quieter and appears to runs smoother (less vibration). Weather has been betting colder, so unable to easily determine if fuel economy has improved.



#24 OFFLINE   Adrian_L

Adrian_L

    C-Max Hybrid Member

  • C-MAX Hybrid Member
  • 702 posts
  • Region:Canada British Columbia
  • LocationVancouver, BC
  • My C-MAX's Year:2013
  • Current Vehicle:2013 SEL

Posted 14 December 2018 - 12:15 PM

Problem fixed.   
 

The vibration seemed to get better for awhile, so we didn't bother with the injector cleaner.  Then a few weeks ago, after a 30 minute drive on the highway the engine light started flashing and I experienced a rumble from under the front wheels.   Fortunately it was only 5 minutes to home.

 

OBDII indicated #3 cylinder misfiring and injector open.   I decided to replace all four injectors as they're only $40 each (Motorcraft CM-5148)   Fairly straightforward but I recommend you buy the special tool to disconnect the fuel line from the fuel rail.  They're about $5-10.

 

Car is running like new now.  Smooth as silk.  


  • ptjones, Bill-N and obob like this

#25 OFFLINE   ptjones

ptjones

    C-Max Hybrid Member

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  • Region:U.S. Southern Atlantic
  • LocationNewnan, GA
  • My C-MAX's Year:2013
  • Current Vehicle:2013 C-MAX SEL

Posted 14 December 2018 - 02:35 PM

Problem fixed.   
 

The vibration seemed to get better for awhile, so we didn't bother with the injector cleaner.  Then a few weeks ago, after a 30 minute drive on the highway the engine light started flashing and I experienced a rumble from under the front wheels.   Fortunately it was only 5 minutes to home.

 

OBDII indicated #3 cylinder misfiring and injector open.   I decided to replace all four injectors as they're only $40 each (Motorcraft CM-5148)   Fairly straightforward but I recommend you buy the special tool to disconnect the fuel line from the fuel rail.  They're about $5-10.

 

Car is running like new now.  Smooth as silk.  

It would have been interesting if you have tried using the injector cleaner before replacing the injectors. :headscratch:  Maybe someone else will try it when they have problems to see if it makes a difference.

 

Paul



#26 OFFLINE   Adrian_L

Adrian_L

    C-Max Hybrid Member

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  • 702 posts
  • Region:Canada British Columbia
  • LocationVancouver, BC
  • My C-MAX's Year:2013
  • Current Vehicle:2013 SEL

Posted Yesterday, 12:48 PM

Using the injector cleaner after the engine light started flashing and all those error codes came up?   No way.....#3 injector was done.  I suspect the earlier engine shuddering was caused by the injector being on it's last legs.   Maybe #1 too.   In any case it made sense to replace all four as it only cost $160 in parts and the car is almost at 60K miles.


Edited by Adrian_L, Yesterday, 12:49 PM.







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