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Omega General Help / 2.5 DTI running rough
« on: 11 January 2024, 11:25:54 »
Goodmorning everybody! I'm writing from Italy, my daily car Is a 2002 wagon 2.5 DTI.
About a month ago i noticed that smoothly accelerating in neutral generates a vibration from the engine, that seems to loose power at costant gas like is running on 5 cylinders , and starts to make grey smoke. Over 3000rpm i get full Power!
I have a sort of hiss from the airbox zone, thinking it's probably an intercooler hose, when i do this acceleration tests i noticed that the rough running and power loss are related to the disappearance of the hiss (so less turbo pressure?).
Driving normally i do not notice all this issues, except for a slightly "push-pull" around 2500rpm on Cruise control.
Oil consumption Is around 0.5l every 8000km, mileage about 260000kms, fuel consumption is good, 6.3l/100km in Winter.
Any ideas? Injectors?
(I had in past some diesel tank algae organisms)
About a month ago i noticed that smoothly accelerating in neutral generates a vibration from the engine, that seems to loose power at costant gas like is running on 5 cylinders , and starts to make grey smoke. Over 3000rpm i get full Power!
I have a sort of hiss from the airbox zone, thinking it's probably an intercooler hose, when i do this acceleration tests i noticed that the rough running and power loss are related to the disappearance of the hiss (so less turbo pressure?).
Driving normally i do not notice all this issues, except for a slightly "push-pull" around 2500rpm on Cruise control.
Oil consumption Is around 0.5l every 8000km, mileage about 260000kms, fuel consumption is good, 6.3l/100km in Winter.
Any ideas? Injectors?
(I had in past some diesel tank algae organisms)