Focus TDDI Problem

PeterLucas · 11-06-2009, 11:10 PM

Smokes very badly (white diesel smoke), seems to strugle then suddenly come on boost and shoot off (not the normal turbo lag).

When cold runs on three and needs to be cleared out, when warm drives a lot lot better almost hard to notice a problem and only smokes a tiny bit.

Has had previously by others

Cylinder head,
Injectors, and ive tried others
EGR
Fuel filter.

Need to diagnose this, dont want to take it to Ford becuause thuey are the ones who incorrectly fitted the head, spoke to an injection specialist who basically scratched his head!

Only thing left really is a fuel pump but ive onluy ever heard of these causing fuel starvation (stalling) and not what im guessing is the problem of over fuelling.

Any help greatfully appreciated

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PeterLucas · 11-06-2009, 11:12 PM

Also ive had the cam out today and no visible probs, looks like all lifters return nicely..

argh · 04-12-2009, 07:38 PM

I have an unknown problem with my Focus TDDI that sounds very similar to what you have described here! Did you find the cause? I would be very interested to know if you did!

argh · 15-01-2010, 09:29 PM

I doubt anyone is interested, but after replacing an injector, inspecting the cam belt, having the head off, replacing a valve and the head gasket (to the tune of £600), the problem was diagnosed as the fuel pump. cost to repair would be approx £1k...

tabetha · 16-01-2010, 11:51 AM

They may be a small amount of additive put in the pump supply by retailers at this time of year, also a very small amount of petrol present in the diesel will do this, going from the ones I have had to flush the tanks on, air leaks in the fuel supply can also cause smoking but is normally pale blueish.
If it's got any petrol present it will be a right shit to start as well.
tabetha

PeterLucas · 03-09-2010, 04:59 PM

Its been a while but I forgot to reply to this, was a slightly bent rod as a result of a previous cambelt snap (hence new head by Fraud). Lacking slight compression on one cylinder!

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11-06-2009, 11:12 PM	#2
PeterLucas I've found that life I needed.. It's HERE!! Garage is empty, add now Trader Score: (0) Join Date: Mar 2005 Posts: 1,055 Rep Power: 8	Also ive had the cam out today and no visible probs, looks like all lifters return nicely..

04-12-2009, 07:38 PM	#3
argh Virgin Garage is empty, add now Trader Score: (0) Join Date: Dec 2009 Location: Devon Posts: 2 Rep Power: 0	I have an unknown problem with my Focus TDDI that sounds very similar to what you have described here! Did you find the cause? I would be very interested to know if you did!

15-01-2010, 09:29 PM	#4
argh Virgin Garage is empty, add now Trader Score: (0) Join Date: Dec 2009 Location: Devon Posts: 2 Rep Power: 0	I doubt anyone is interested, but after replacing an injector, inspecting the cam belt, having the head off, replacing a valve and the head gasket (to the tune of £600), the problem was diagnosed as the fuel pump. cost to repair would be approx £1k...

16-01-2010, 11:51 AM	#5
tabetha BANNED BANNED Garage is empty, add now Trader Score: (0) Join Date: Jul 2006 Location: uk Posts: 24,646 Rep Power: 0	They may be a small amount of additive put in the pump supply by retailers at this time of year, also a very small amount of petrol present in the diesel will do this, going from the ones I have had to flush the tanks on, air leaks in the fuel supply can also cause smoking but is normally pale blueish. If it's got any petrol present it will be a right shit to start as well. tabetha

03-09-2010, 04:59 PM	#6
PeterLucas I've found that life I needed.. It's HERE!! Garage is empty, add now Trader Score: (0) Join Date: Mar 2005 Posts: 1,055 Rep Power: 8	Its been a while but I forgot to reply to this, was a slightly bent rod as a result of a previous cambelt snap (hence new head by Fraud). Lacking slight compression on one cylinder!

03-09-2010, 04:59 PM
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