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Hi all . I need some help to think out of the box .
I have a 2012 2.2 194hp santa fe .100,000 miles on the clock .

It has a problem . When it warmed up the engine shakes and seems like a misfire only on idle . Car has full power and runs ok except the idle. Does it most of the time but on always. It throws the engine about when it's playing up and shakes driver. No fault codes don't smoke starts fine hot and cold . When connected to diagnostics doesn't show up when running rough .

It's been to main dealership cold not find the fault and said it's ok . And been to 3 other garages including specialist diesel place and they cannot diagnose.

This is what's been done . 4 new injectors and coded in . New clutch and flywheel . New egr. Full carbon decoke.

Problem is still the same and not changed but getting worse.

Any ideas please as I've run out of ideas and money and given up on any garage fixing the fault
 

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Could it be the engine mounts? Or maybe a mount that is connected to the engine mount? As your revving up the engine it will initially smooth out the shaking. Something to look at?
 
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