FORD MONDEO 2.0l TDCI 130 bhp 2004 - pulling back/stutters | Technical matters | Back Room Forum

Sat 16 Jul 2011 18:38

FORD MONDEO 2.0l TDCI 130 bhp 2004 - pulling back/stutters - cully

I recently bought a Mondeo 2.0l tdci 130 bhp it was runnuing ok now it semm to smoke a lot and stutters quite a bit whilst driving pulling back and lack of power and i havent got a clue. i would like some advice and problem solving.

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Sat 16 Jul 2011 18:44

FORD MONDEO 2.0l TDCI 130 bhp 2004 - pulling back/stutters - Bobbin Threadbare

Cully - can you give a bit more description? Like, what colour is the smoke for example? Does it run for a while before behaving like that?

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Sat 16 Jul 2011 19:04

FORD MONDEO 2.0l TDCI 130 bhp 2004 - pulling back/stutters - cully

the smokes Brown/Black when idleing its fine it only happens whilst driving and can happen almost immediatly when pulling away or driving along it feels like a carberatta blockage as if its going to backfire.

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Sat 16 Jul 2011 19:15

FORD MONDEO 2.0l TDCI 130 bhp 2004 - pulling back/stutters - Bobbin Threadbare

It sounds like the EGR valve has gone faulty; if it clogs up you can get browny-black smoke and it will idle roughly, and your power will go up and down while you're driving.

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Sun 17 Jul 2011 03:10

FORD MONDEO 2.0l TDCI 130 bhp 2004 - pulling back/stutters - unthrottled

But if the EGR valve was stuck open, the amount of air being drawn past the MAF would decrease and the ECU would pull fuelling accordingly.

You have a split intercooler hose that is leaking air downstream of the MAF which is resulting in overfuelling.

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Sun 17 Jul 2011 12:31

FORD MONDEO 2.0l TDCI 130 bhp 2004 - pulling back/stutters - Bobbin Threadbare

Damn you unthrottled; overfuelling was my next guess. But I couldn't necessarily have described how. :-P

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