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[BazaJT]

I've asked this elsewhere[should've known better]and got no answers.On odd occasions the revs[at tickover]on my V70-a phase 1 2.4L n/a petrol-will vary up and down by a couple of hundred revs or so,I understand this is the electronic throttle module which needs repair.However when it's not exhibiting these symptoms acceleration from cold is quite hesitant/slightly jerky.Could this also be down to the ETM or do folks on here think I'm also looking at a separate problem?When a little warmer it doesn't seem to suffer this hesitancy.

[Marks DTM Calib]

Its worth a check clean of the throttle module but, also have a good scan for air leaks (damage to servo hose, pipe off, breather hoses etc) as both symptoms can be attributed to throttle module or an air leak.

[BazaJT]

I've heard no air leak type noises but I'll certainly check closer,could be a good call about the breathers as I know the PCV system is quite prone to blocking on these so I'll check that out too.Will probably still send ETM off[once I get the Omega through the M.o.T.] to have it converted to contactless as a belt and braces approach.Thanks for the other tips though and I will follow them up