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Model specific boards => Golf mk4 => Topic started by: navmk4gti on 11 September 2009, 13:04

Title: update on my AGU
Post by: navmk4gti on 11 September 2009, 13:04
just changed MAf and put standard filter back  :cry: .. my induction filter box is on the classifieds  :wink: it sounds so quiet no more grunt  :cry:

car is running a1 again.. took it for a quick drive.. felt very strong on the pull just like was when i got it.. im well happy and mpg jumped up to 32mpg.. bit less then what i was usually getting before all this but better then 16mpg! i think it will rise slowly to normal once the airbox and MAF have settled in for a few more years  :laugh:

was going to do DSG intake but after a good think i chose not to as i was not 100% it was the MAf so incase something else was wrong i didnt want to dish out on goodies yet  :wink: but will invest in that defo before christmas along with my exhaust system and remap  :evil:

i was also thinking of changing the fuel filter .. is it an expensive job?
Title: Re: update on my AGU
Post by: Devilz on 11 September 2009, 13:41
fuel filter is for £8.05 from dealers  :laugh:

part number is 1j0 201 511 a
Title: Re: update on my AGU
Post by: Mr_Orange on 11 September 2009, 16:00
MAF seems to be the cause of so many problems, but its such an expense to not be 100% sure of. There's never a fault code related to it, you're left guessing from symptoms like poor idle / flat-spots etc etc etc.

Is there no way to remove it, bung up the hole and trick the ECU?    :huh:
Title: Re: update on my AGU
Post by: richw911 on 11 September 2009, 19:30


Is there no way to remove it, bung up the hole and trick the ECU?    :huh:

lol  :grin: NO! The ECU needs it to measure the amount of air entering the engine to control the air/fuel ratio  :wink:
Title: Re: update on my AGU
Post by: richw911 on 11 September 2009, 19:31
fuel filter is for £8.05 from dealers  :laugh:

part number is 1j0 201 511 a

Wonder where you found that info?  :laugh:

http://www.golfgtiforum.co.uk/index.php?topic=87370.0
Title: Re: update on my AGU
Post by: Mr_Orange on 11 September 2009, 19:38
Is there no way to remove it, bung up the hole and trick the ECU?    :huh:

lol  :grin: NO! The ECU needs it to measure the amount of air entering the engine to control the air/fuel ratio  :wink:

Booo!    :kiss:
Title: Re: update on my AGU
Post by: northeast_gti-t on 11 September 2009, 20:06
nice one nav good to here yours is running spot on again :afro:
Title: Re: update on my AGU
Post by: navmk4gti on 11 September 2009, 20:08
no i mean is it expensive to get fitted at local garage? or is a DIY.. im pretty handy so can do it my self if rich has a how to  :laugh:

yh the MAF is a bigtym bastard  :angry:

should my mpg go up straight away as normal or would it take a few days for it to settle in as i have just replaced it back to standard airbox too?

went for little drive again n i drove like a granny first 10 mins (temp was up to 90 as nomral)and it went up to like 29 mpg.. then i decided boot it see what i will get.. and it droped to like 18mpg! this aint nomral.. as before all this problem i use get average 37 mpg driving grannyish and around 26 mpg booting it! so any ideas?? :sad
Title: Re: update on my AGU
Post by: navmk4gti on 11 September 2009, 20:09
nice one nav good to here yours is running spot on again :afro:

thanks northeast the mpg reading is still playing with my head a bit tho  :angry:
Title: Re: update on my AGU
Post by: northeast_gti-t on 11 September 2009, 20:28
nice one nav good to here yours is running spot on again :afro:

thanks northeast the mpg reading is still playing with my head a bit tho  :angry:
:smiley: it will take a few miles to settle down and start running efficiently again nav it will have to re-adapt itself like your t/b does after a clean  :wink: should be okay then could always hook it up on vag-com after a run see if any codes show
Title: Re: update on my AGU
Post by: navmk4gti on 11 September 2009, 20:44
nice one nav good to here yours is running spot on again :afro:

thanks northeast the mpg reading is still playing with my head a bit tho  :angry:
:smiley: it will take a few miles to settle down and start running efficiently again nav it will have to re-adapt itself like your t/b does after a clean  :wink: should be okay then could always hook it up on vag-com after a run see if any codes show

you just made me happy again lol :laugh:

thats good to hear i was getting worried.. no fault codes apart from the airbag light which is my next task  :grin: dont you just love VW always keeps you on your toes   :laugh:
Title: Re: update on my AGU
Post by: northeast_gti-t on 11 September 2009, 20:58
nice one nav good to here yours is running spot on again :afro:

thanks northeast the mpg reading is still playing with my head a bit tho  :angry:
:smiley: it will take a few miles to settle down and start running efficiently again nav it will have to re-adapt itself like your t/b does after a clean  :wink: should be okay then could always hook it up on vag-com after a run see if any codes show

you just made me happy again lol :laugh:

thats good to hear i was getting worried.. no fault codes apart from the airbag light which is my next task  :grin: dont you just love VW always keeps you on your toes   :laugh:
:wink: good to hear yep like you say they certainly do  :laugh: love mine tho  :smiley:
Title: Re: update on my AGU
Post by: navmk4gti on 11 September 2009, 22:40
yep love mine too bits too coudnt part with it even when it was smashed up  :grin: