60 plate 1.8 tdci problem - hesitant at constant throttle

[Woody]

Slowly coming to the end of my tether with my Mondeo.
It's started running a bit rough - hesitant and feeling down on power.
If it was a petrol I'd say it was missing.
Ford have had it twice and apparently they can't find anything wrong with.
Constant throttle between 1250 and 2250 rpm it feels like it misses and then hesitates - if you apply more throttle you can drive through it.

Very disconcerting when travelling down the motorway.

Any ideas?

Of on holiday in a few weeks and the thought drive to Poole to get the ferry and a week driving roind the Channel Islands isn't filling me with joy at the moment.

[Zad]

Fuel filter? Sticking EGR valve?

[Woody]

Zad said:

Fuel filter? Sticking EGR valve?

That was my thinking initially - but when the dealer has said he can't find anything I thought it could be something else.

Might give another garage a go and see if they can sort it.

Only keeping it until Sept/Oct and going back in to the company car scheme.

[cknotty]

I know it's not the same engine, but my dad's 2.2 Mondeo (57 plate) had the same symptoms. Had a bit of a check around and found a split in the intake hose from the intercooler to the EGR. Replaced the hose, normal service was resumed

[thatdude]

Having investigated a similar set of symptoms (albeit only occuring at idle) with my wifes BMW diesel, it could be the injectors - one or more may be sticking, and the hesitance could be the other injectors compensating. How does it idle? The injectors on the bmw dont throw a code, but there is the possibility of getting a real-time read-out on which injectors are doing what. It might be worth having a chat with a diesel injection systems specialist firm and asking them about such diagnostics.

[Woody]

Sorry guys - busy with work.
It's booked in with another garage later this week.
Will be passing them a list of suggestions.

It runs fine at idle.

[Shadow R1]

Did you ever solve this ?