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Mondeo V6

Power Loss

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#1 Paulhaley

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Posted 29 June 2014 - 10:57 AM

Hi, I have a Mondeo Duratech V6 (Automatic)on a 54 plate, I am drawing air into the system resulting in loss of power, now spluttering to an engine cut-out.  It has been to Ford for diagnosis and they confirmed air getting into the system and probably a gasket but at £90 an hour I decline their offer to work on it for a couple of days.  Has anyone else had a similar problem and where is the best place to start.  Thanks.



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#2 ppeter7

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Posted 01 July 2014 - 05:54 PM

Have you looked at the small pipe that runs off the top of inlet manifold..or around throttle body.??



#3 Paulhaley

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Posted 01 July 2014 - 07:08 PM

I believe so, this is one that has a push fit fitting into the manifold, admittedly I haven't checked it for cracks or leaks, is that a good place?



#4 FOCA

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Posted 01 July 2014 - 07:10 PM

The crankcase breathers can split, drawing air into the inlet that is not measured by the MAF, and often on only one bank (so one bank runs lean/ can have a knock-on effect on the plugs, cat(s), too )- the PCV valve is connected to these breathers, and can gum up too

 

You can often hear the breathers hissing if they are split and you may be able to pinpoint the leak (engine running, bonnet open)



#5 Paulhaley

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Posted 01 July 2014 - 07:15 PM

I'm away from the car tonight but will check these tomorrow, put jubilee clips onto the short rubber pipe that connects the rigid pipe to the PCV valve as it was loose and you could suck and blow into it but after clips it will only go one way, didn't check all of them for blockages though.




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