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Focus Diesel 09 Tdci - Intermittent Loss In Power

focus diesel intermittent loss power

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#16 Papa Lazarou

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  • Ford Model: Focus Zetec estate 109hp tdci
  • Year: 2009
  • Location: Staffordshire

Posted 07 May 2014 - 04:28 PM

Thanks James, have already ordered the one that Martin mentioned and am still trying to download the app to my phone for realtime updates whilst driving.

DPF has been on for about 10k, majority of which is dual carriageway mileage and there has been no changes at any point prior to or since it was changed. Fluid is something I asked the garage about but they said that the dash will light up a warning when a fill up is required. Is that right do you know??????

We have been looking at the fuel pressure sensors as a possibility but it never shows any fault codes and my mechanic is feeling guilty at how much of his house I've paid for now.

Someone in another post has mentioned injectors being out of 'sync' and as fuel looks the most likely issue it's something I'm now looking at on here. We discussed checking the fuel pipes for blockages etc earlier today funnily enough.

Thanks for your input



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#17 jeebowhite

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Posted 07 May 2014 - 08:14 PM

OK well that dealer didnt know much :P basically the EOLYS fluid is serviceable every 3 years or 37.5k miles, a warning light comes on when there is a fault with the system, not when the system is running low and needs a topup. I suspect that you will probably need to top this up and reset the counter. You can do it yourself, there is some sort of JML fluid that you can buy as opposed to Fords own, but you need to get it drained into the bottle, then its something like open and close the fuel flap 9 times quickly, or something similar in order to reset the counter. Last job might be to reset the error codes and start again.



#18 surfing69

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  • Ford Model: ford focus Style 1.6 Diesel TDCI
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Posted 09 May 2014 - 06:37 PM

thank you all for your help and assistance.  

 

Today i want to my trusted garage and they ran a Foxwell diagnostics which flagged the code P042F which refers to a faulty EGR unit.  They advised me to go to a specialist diesel diagnostics repair garage because if the EGR needed to be replaced, the new unit would need to go to be coded to the engine which my local garage couldnt do. (?) 

 

The garage also suggested using a can of a good EGR cleaner before going down any repair/replace route as this could cost between £300-£400.

 

However when I called MVC (http://www.midlandve...mponents.co.uk/) to enquire about an EGR cleaner, they suggested using a Wynn brand. They also advised they had a new EGR for my car at £113 and it would 'match the engine code' without the need to have it coded to the engine as it would be a simple case of old one off and new one on as a straight replacement. 

 

At this time I need to make an appointment with the specialist garage. 

 

Incidentally, I purchased this car on 19 March 2014 from a dealer who gave me a 6 month warranty with a £500 per claim limit. My garage suggested that these types of warranties where as useful as toilet paper!  I need to look at the small print in the warranty .

 

Incidentally can you provide instructions or Youtube links to how to clean the EGR unit - either with the spray can or removing it from the car and physically cleaning it.



#19 jeebowhite

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Posted 12 May 2014 - 02:36 PM

Whynns is good, but its not the same as take out and clean.

 

Basically WHYNNS will just brush past the surface of carbon and take a little off, I can only describe it as brushing the sand at the beach! so it might help to clear a little, but then you have the risk of lumps of carbon breaking off and going into the engine and thats not going to help!

 

You basically need to undo the bolts and remove the entire valve (similar procedure to placing the EGR Blanking plate in).



#20 surfing69

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Posted 12 May 2014 - 02:58 PM

is their a link to a YouTube video on the location and removal of the EGR valve?

 

Also, if I blank the EGR is this legal and will it affect MOT emissions and/or engine management unit warning lights ?



#21 jeebowhite

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Posted 13 May 2014 - 12:33 PM

best thing to do is have a look at Lenny's guide on the EGR blanking and taking it from there. I havent seen one for the MK2/2.5 Focus so cant send you a video link, there is one for a CMAX which is not too dissimilar, just google "FOCUS 2008 EGR Removal".



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