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Discussion Starter #1
Hi,first post as only just purchased a 04 1.6 tdci.

I am really happy with the car apart from the loss of power it sometimes has when on motorway.
Have read other posts in regard to this and sounds like i have similar problems, all surrounding the air mass regulator!!.I have disconnected the plug on regulator and the car runs the best ever,so i have booked it into Fords to get this replaced.The only thing that worries me is that is it ok for the car to run til Tuesday with this plug off??Prob a silly question but i really like my c-max and dont want to cause damage to it...Any advice would be very welcome.
 

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The best person to advise you on the 1.6 TDCI is Richard G.He should see this & reply.
Cheers
MM
 

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The exact answer is I don't know. It's not like in a gasoline injection where the AFM is an integral part of the "fueling map"
The logic says that it must be a necessary part of the system or they wouldn't put such an expensive piece of redundant kit on board

I think that probably the first step should be to try yellow pages for a diesel fuel injection specialist that may be open tomorrow (Sat) morning and see what they say as to the possible consequences of running a Bosch Common rail diesel fuel injection system without the air flow meter connected

This aren't Stevenage but is Herts but I can't tell if they are open tomorrow
http://www.ihertfordshire.co.uk/profile/140016/Hoddesdon/Wade-Diesels-Ltd/

Dieselfuel Injection Services

unit 14 peerglow industrial estate,
watford,
Hertfordshire,
WD18 9SR

Tel: 01923 721194

Diesel Injection Systems
Overhauled & Calibrated
Emissions Controlled
Complete Diesel Services
Bosch Trained Technicians
Over 25 Years Experience

Classification: Diesel Fuel Injection


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Wade Diesels Ltd
8, Pindar Rd, Hoddesdon, Hertfordshire EN11 0DE
Tel: 01992444020
Classification: Diesel Fuel Injection


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Harlesden Diesel Services
7, Burghley Avenue, Borehamwood, Hertfordshire WD6 2JG
Tel: 0208387 5246
Classification: Diesel Fuel Injection


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L Bennett & Son Ltd
3, Regal Way, Watford, Hertfordshire WD24 4YJ
Tel: 01923238523
Classification: Diesel Fuel Injection


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You might like to post they (hopefully repeatable ) answer so that all us diesel owners can file it away for future
 

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Discussion Starter #4
thanks for the advice richard and mm,seems i have worded my problem wrong.i have only un plugged the lead which runs to the ecu!! as you can prob tell not that good when it comes to stuff under the bonnet but a friend who does know has now put me right!! just remains for me to ask if the ecu plug will be ok un plugged til my appointment at fords?
 

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You do presumably mean the air flow meter (the first item in the air intake pipework) rather than the ECU itself (everything would stop I think if you did this)

As I can't find a definittive answer I would say NO and you'll have to put up with it misperforming because I can't actually say what might happen if you leave the plug disconnected
 

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Discussion Starter #6
Ok , thanks for the advice richard.its booked in tommorow so hopefully the. Problem will be resolved and I can start enjoying driving my c-max!!!
 

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Discussion Starter #8
Day 2 of the car still being in Fords and yet they still none the wiser!!!
First thoughts they had was its the EGR valve,as pointed out when car put on computer.But now after closer inspection and several road tests and physical inspection of all telling loss of power signs they cant find a thing!!!!
Now when its put on the computer there are no fault codes registering,according to them its running fine..even on the motorway!!! So they are having a final drive and test tom and hopefully i will get the car back . Just hope it was a case of the previos owner having work done on the car but never had it put into Fords to have error codes taken off,will update on day 3 tommorow........
 

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Discussion Starter #10
At last after 3 days I have got my cmax back from frauds!!and yes mm it seems to have been just a reset that was needed....touch wood n crossed fingers!! Now can hopefully enjoy my cmax.
 
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