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Hi

I'm driving a 156 2.4 JTD and i have started to notice its smoking, but its not doing it all the time it only smokes at around 2 to 3 RPM it also is slow and lumpy at that RPM i have taken out the super chip due to noticing this and it doesn't seem to make any differences. any idea?

By the way the smoke is black/grey so its not oil!!!!

Can anyone help me!!!!!:confused::confused::confused::confused:
 

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Probably a split boost pipe. Its very common and lets air out after the MAF meter.
 

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Alfa Romeo 2.4 Jtd smoking.

I had same problem after servicing was done. I checked for Air leaks around Pipe work but then later found that MAF Sensor connection was off.
Check pipes from turbo to inter-cooler and then to engine.Try to smell if it smells clean if not then clean ERG .
:)
 
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