159, 1.9 Jtdm heavy ticking noise - Alfa Romeo Forum
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Red Face 159, 1.9 Jtdm heavy ticking noise

Hi everyone, hope someone out there can shed some light on this,

My 159, 1.9 Jtdm has developed a heavy ticking noise/knocking sound , you can hear it inside the car, and sounds like s**t on the outside, The ticking is linked to engine speed.. seems to be loudest between 1000 - 2500rpm. The sound developed slowly and is getting stronger over time,
Could it be the injectors? or tappets/hydraulic lifter??? it is blowing a bit more smoke than usual. its driving fine just the noise is ****ing me off, it is due for a service. I have had DPF remove, EGR blocked, ECU remapped, belts and chains replaced.
would just like to know what you guys think it could be.

Any ideas most welcome!!
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Check for injectors correction and from where (specific place in engine) that noise is coming ? Could be tappets lifter, etc...turbo is running fine ?
SWIRL flaps removed ? Could be sucked swirl flap...
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Also check the belts
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159 , heavy , jtdm , noise , ticking

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