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reluctance to kick back and lacking down low power..

PostPosted: Sat Sep 05, 2020 7:45 pm
by Stifull
So my Lib has been experiencing these issues for 2 days.. Had a squiz under the bonnet and discovered the oil cap had either fallen off or had forgot to put it on. Not a great deal of mess and the cap was sitting on the battery.. Could not having an oil cap effect gear change response and performance ????? it was sluggish and when you gave it some throttle it wouldn't kick back from say 5 to forth, instead it needed more throttle and then would go 5th to 3rd or even 2nd ... I have replaced the lid and disconnected the battery to reset the memory, if that may be an issue.. Anyway I guess I'll see when I go out later to pick my daughter up ... Any thoughts appreciated.. Cheers..

Re: reluctance to kick back and lacking down low power..

PostPosted: Sat Sep 05, 2020 8:33 pm
by Yowie
It might run lean if unmetered air can come in through the oil cap (through the crank case then into the manifold through the PCV valve or pre-turbo pipe).

Running a bit lean could affect other performance aspects.

Re: reluctance to kick back and lacking down low power..

PostPosted: Sat Sep 05, 2020 8:40 pm
by Stifull
Hhhmm ok. Yes that makes sense. I'll soon now as I am about to head into brisbane to pick up daughter.. Thanks for the reply..

Re: reluctance to kick back and lacking down low power..

PostPosted: Sat Sep 05, 2020 10:26 pm
by Stifull
All good. It seems to be back to normal..so must have just been the extra air available via the oil intake ...

Re: reluctance to kick back and lacking down low power..

PostPosted: Sat Sep 05, 2020 11:00 pm
by Yowie
Cool. It was a bit of a guess at my end, but the evidence seems to be backing the theory a bit.

Re: reluctance to kick back and lacking down low power..

PostPosted: Sun Sep 06, 2020 7:30 am
by bigBADbenny
It will make it run rich to compensate for unmetered air, iirc.

Its not fatal but does show up on a learning view.