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2.0 Tddi Running Rough


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#16 stooge75

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Posted 06 August 2013 - 03:19 PM

I think that as well. I had an HDi that had very similar symptoms inc white smoke

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#17 FOCA

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Posted 06 August 2013 - 04:35 PM

Foca

Well I have rechecked every thing again & again,

 took it for a test drive & it drives great up until the temp gauge reaches half way then when you put your foot down it starts to judder

& miss if you continue to drive it will then start to smoke & judder even worse it will eventually stop & not restart for at least half hour until it has cooled down,

Also when you fit the blanking plate do you leave the EGR plugged in

it is doing my head in now

Is it because it is warm or because you wait untill its warmed up before you put your foot down (eg - the poor running may be nothing to do with being cold/ warm but because you "put your foot down" - if you "booted" it straight from cold would it "play up" or if you "pottered about" when warm would it be ok?)

 

The TDDI has a "part time" lift pump that only comes on on high demand - if the lift pump is faulty the car will run ok untill you use full throttle - nothing to do with engine being cold/ warm/ hot - if the lift pump is faulty it should show up on fault codes

 

Get your codes read or invest in a code reader - an f- super is about £20 online - it will tell you if the lift pump is faulty - if so the pump is about £100-120 - its in front of/ outside the tank so "easy" to change

 

It does not matter (much) if the EGR valve is plugged in or not if a solid plate is fitted because by fitting the (solid) plate the EGR valve is effectively disabled, if its electric you can unplug it or pnumatic put a ball pearing in it - it will stop it from opening/ wearing itself out uselessly- the valve can act as a heat shield for the plate A thick (4+mm) stainless steel plate is ideal - the closer to the exhaust the hotter it gets - to put a plate straight on the manifold it has to be thick,steel  aluminium may be ok as long as it does not get too hot, (it has a lower melting point than steel and can melt through in some applications) mild steel rusts - stainless steel  is best     



#18 gixer103

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Posted 06 August 2013 - 04:56 PM

Hi Foca

  The car only plays up when warm,

 if you floor it when cold it runs ok & goes like stink,

tried reading codes with 2 different code readers comes up link error ??



#19 FOCA

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Posted 06 August 2013 - 05:16 PM

Hi Foca

  The car only plays up when warm,

 if you floor it when cold it runs ok & goes like stink,

tried reading codes with 2 different code readers comes up link error ??

The code readers have to have the Ford protocols (SAE J1850 PWM) and be able to read the early OBD1 that the TDDI uses, its the same plug/ socket but many readers only work on OBD2  

 

Other manufacturers use other protocols and many forum posts forget to mention this - so your reader/s may not be compatible  

 

OBD2 became standard in 2004, the TDDI is pre 2004 and OBD1  

 

I bought several OBD- bluetooth adaptors to try to get torque (an smartphone/ android app) to work) but i could not find acompatible one for my TDDI 

 

The only code readers ive actually heard of working with the Mondeo TDDI is the f- super and the Bluefin (I use the Bluefin)

 

Its a good idea to get your codes read/ read the codes yourself before spending money you might not need to

 

It will also help us to know what is up with your car!    



#20 gixer103

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Posted 07 August 2013 - 06:14 AM

Well I ordered a F-Super code reader last night should be here on Thursday so will hopefully get to the source of the problem

will keep you posted,



#21 Jos7000

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Posted 08 August 2013 - 01:25 AM

Just reading with interest regarding the white smoke relating to the EGR cooler. I actually had a white smoke issue, except it only happened when cold and would stop after the car was driven for as little as 150 metres. It ran irratically/rough while smoking.

I had it into a diesel specialist who charged me £180 to test my injectors and fit a blanking plate on the EGR. The white smoke remained... well for about one more week until the engine hydraulic'd (water filled one cylinder locking the engine).

The engine was replaced and hey, the white smoke was back, I had the mechanic replace the EGR cooler and hey presto, the smoke cleared up. It really is worth checking the EGR cooler, it was an expensive misdiagnosis by a 'specialist', unfortunately it was at my expense :-(



#22 FOCA

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Posted 08 August 2013 - 12:01 PM

Just reading with interest regarding the white smoke relating to the EGR cooler. I actually had a white smoke issue, except it only happened when cold and would stop after the car was driven for as little as 150 metres. It ran irratically/rough while smoking.

I had it into a diesel specialist who charged me £180 to test my injectors and fit a blanking plate on the EGR. The white smoke remained... well for about one more week until the engine hydraulic'd (water filled one cylinder locking the engine).

The engine was replaced and hey, the white smoke was back, I had the mechanic replace the EGR cooler and hey presto, the smoke cleared up. It really is worth checking the EGR cooler, it was an expensive misdiagnosis by a 'specialist', unfortunately it was at my expense :-(

Its scary what Mechanics/ garages make you pay due to their incompetence for the sake of a £20 EGR cooler -

 

Ive read online where all the injectors etc were all replaced needlessly (by an diesel injection specialist ) at great expense for the sake of a £5 EGR blanking plate (leaking EGR valve- different issue from the cooler) - don't these people love spending your (our) money!  

 

Good post + good advice!



#23 gixer103

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Posted 08 August 2013 - 03:30 PM

the F-super scanner arrived today but cant get my lap top to install the USB drivers for the scanner,

installed the software on the cd plugged the scanner into the laptop it then comes up driver software unable to install

I am running windows 7 64bit

any ideas



#24 stooge75

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Posted 08 August 2013 - 04:03 PM

i had the same issue with op-com & win7 (64 bit),& it drove me mental.

Have you tried downloading the drivers off internet,& running it as administrator? you might have to download microsoft VM & run xp thru it then install it. just read another guys post on another site & thats what he did

Ah try this one from talkford(sorry)http://www.talkford....=1#entry1385849 (7 posts down from top)



#25 FOCA

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Posted 08 August 2013 - 04:43 PM

the F-super scanner arrived today but cant get my lap top to install the USB drivers for the scanner,

installed the software on the cd plugged the scanner into the laptop it then comes up driver software unable to install

I am running windows 7 64bit

any ideas

The F-super should have been supplied with drivers compatible with Windows 7 64-bit, sometimes, older verrsions (of F-super) are sold with just 32-bit drivers (eg - Windows XP 32bit)

 

The older /newer versions of F-super are phisically the same, but the newer ones have the 64-bit drivers, you can download these drivers,if you don't have them  its a lot easier than messing about with different operating systems

 

Thats a really old thred (on that other site) and things have moved on - 64 -bit drivers are available (and supplied with the latest versions) for F-super

 

If you cannot get it to work just borro a laptop runnig xp and use that to get your codes   



#26 stooge75

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Posted 08 August 2013 - 04:55 PM

sorry-i couldve swore i just suggested he download em & even if its old thread.if it works it works



#27 gixer103

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Posted 08 August 2013 - 07:10 PM

well just had a guy come round & read the codes

he is going to email them all over to me

2 of the codes were P0148 & P0149 if I remember correctly

there was 1 for fuel pump relay??

will post all the codes up when he emails them to me,



#28 FOCA

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Posted 08 August 2013 - 08:33 PM

Those are fuel delivery fault codes

 

If your fuel is clean and you have a genuine fuel filter, ite either a faulty lift pump or the main diesel injection pump

 

the lift pump costs about £100-£120 (pattern) is relatively easy to change and does not need to be coded

 

The main pump (vp44) is expensive - a refurb (on an exchange basis) can cost £700, you can have the electric part of the pump replaced for less, they pop up on ebay for as little as £200 but they are coded to a specific ECU, so you may need the pump, ECU and locks/ keys

 

A new VP44 comes uncoded and codes itself when it is 1st connected to the ECU - one that was previously coded to another ECU will not work on yours

 

The injectors on the TDDI do not need to be coded

 

With clean, uncontaminated diesel and the fuel system bled, with a genuine (or "premium") fuel filter,(cheap pattern fuel filters can restrict the fuel flow, apparently)  if its still "playing up" you could spend the £120 for the lift pump and fit it - if that does not work it is likely to be the main vp44 pump at fault

 

There is a good chance it is the lift pump at fault (considering the symptoms) and worth replacing, in my opinion  



#29 Jos7000

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Posted 09 August 2013 - 02:56 AM

Don't take this as guaranteed, but as far as I am aware, you can fit a second hand main pump, however, you need to cut into the loom for the controller and splice the original onto the replacement pump. I do warn you though, as this is not meant to be possible, the wires (4 of them) are not colour coded, in fact all four are black, lol.



#30 FOCA

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Posted 09 August 2013 - 11:14 AM

Don't take this as guaranteed, but as far as I am aware, you can fit a second hand main pump, however, you need to cut into the loom for the controller and splice the original onto the replacement pump. I do warn you though, as this is not meant to be possible, the wires (4 of them) are not colour coded, in fact all four are black, lol.

A secondhand main pump (vp44) has the same connector plug as the one on the car - so the wires do not have to be cut - it just plugs in without cutting wires 

 

You cannot fit a secondhand pump without changing the ECU, because the pump is coded to the ECU (its explained in detail in post # 28, above) 

 

Where did you get this information from? - it looks like someone was deliberately trying to mislead you, or it was from another, less technical / not so well run site/ forum   



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