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Model specific boards => Golf mk4 => Topic started by: cullygti on 14 January 2011, 23:31

Title: weird idling
Post by: cullygti on 14 January 2011, 23:31
hi ppl when i take the car out of gear pull up to a junction etc my revs drop really low and keep goin up an down had this before but just went away on its own until now its happening again any ideas whats goin on cheers ppl
Title: Re: weird idling
Post by: dub268 on 14 January 2011, 23:36
Mate got simillar problem, I would start by check breather pipes make sure there no holes or splits in the pipes, next step is to try the MAF after not sure but I'm sure will point you where to look next, is yours agu engine?
Title: Re: weird idling
Post by: Dave_IOW on 14 January 2011, 23:37
Maybe have a look at throttle body and see if that needs cleaning?
Title: Re: weird idling
Post by: cullygti on 14 January 2011, 23:42
yeah its an agu dub and cleaned throttle body as just posted again dave my bloody internet is playin up lol
Title: Re: weird idling
Post by: golf-sib on 14 January 2011, 23:59
Vag com it, if its an actuator fault then its the TB otherwise it would be a boost leak
Title: Re: weird idling
Post by: rockmonkey69 on 15 January 2011, 00:02
Clean the throttle body and intake temperature sensor
Title: Re: weird idling
Post by: cullygti on 15 January 2011, 10:10
yeah it wont hurt to check all possibilities il try and get a vag com on there i think cheers guys
Title: Re: weird idling
Post by: MrRogers on 15 January 2011, 10:19
Im getting the same problem...mines got worse tho its started to stall at the wrong times now  :sad:
Title: Re: weird idling
Post by: cullygti on 15 January 2011, 10:34
i had the same problem when i changed the battery but i think that was the ecu resetting itself because it was ok again in a few days
Title: Re: weird idling
Post by: Wazzzer on 15 January 2011, 11:17
yep throttle body needs readapting
Title: Re: weird idling
Post by: Dave_IOW on 15 January 2011, 11:24
yep throttle body needs readapting

Dont they do these themselves on AGU? Or is there another thing i need to learn :laugh:
Title: Re: weird idling
Post by: Wazzzer on 15 January 2011, 12:03
VAG COM or door open trick might work, will give it a go next time I see you  :smiley:
Title: Re: weird idling
Post by: Rhyso on 15 January 2011, 12:03
yeah it wont hurt to check all possibilities il try and get a vag com on there i think cheers guys

Give me a shout if you need VAGCOM :afro:
Title: Re: weird idling
Post by: Dave_IOW on 15 January 2011, 12:50
VAG COM or door open trick might work, will give it a go next time I see you  :smiley:

Charger for laptop came through today, i got vagcom back again now, just going to go and do a scan..
I bet on a fair few codes, had intercooler pipes pop out since last scan :lipsrsealed:
Title: Re: weird idling
Post by: cullygti on 15 January 2011, 13:37
yeah cheers for that rhyso it seems to be fine this morning but if it starts again il give you a shout cheers
Title: Re: weird idling
Post by: golf-sib on 15 January 2011, 13:49
AGU's TB calibrates itself, just by putting the the key in the "on" position you will hear the TB aligning for a little while. If anything I would  vag-com it, if your TB is cold turkey you should see:

17973 - Throttle Actuator: Lower stop not reached (J338)
17967 - Throttle Valve Control Part: Fault in basic setting
01165 - Throttle Body Control Module (J338)

(J338) is the address number to the TB

The TB can get worse as it slowly loses its mind, like I would have my foot down, going for it and power would cut off as if the throttle closed a fair tad and it would do it the other way round, minding my own business at 60mph, would open up and accelerate, or it would be a c*nt and judder me as if I was some cock pressing on and off the gas non stop.
Title: Re: weird idling
Post by: cullygti on 15 January 2011, 14:39
yeah can hear tb mate il see how it goes and get vag com on to make sure cheers fella
Title: Re: weird idling
Post by: houston on 16 January 2011, 10:33
sounds more like an induction leak to me