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Model specific boards => Golf mk4 => Topic started by: dub whore on 16 June 2013, 18:11

Title: Stuttering under boost
Post by: dub whore on 16 June 2013, 18:11
Hiya need a bit of light shed on this. I'm thinking it may be a boost leak causing this stuttering under hard boost and it chuffs out smoke. Is this possible to be the cause? Going throught the gears no problem it's when I'm sat in a gear plodding along and then when I wanna overtake for example and put my foot down it comes onto boost and just coughs and splutters. I'm sure it's not over boost but can't be 100% sure as I don't have a boost gauge linked up. Anyone have some useful input? Many thanx
Title: Re: Stuttering under boost
Post by: jamie16v on 16 June 2013, 18:26
m m ma ma maf maybe?
Title: Re: Stuttering under boost
Post by: dom on 16 June 2013, 19:16
As Jamie says it could be the MAF, unplug it and see if the problem improves
Title: Re: Stuttering under boost
Post by: james2 on 16 June 2013, 19:24
Why would it smoke on boost /turbo related ?
Title: Re: Stuttering under boost
Post by: jamie16v on 16 June 2013, 19:29
Why would it smoke on boost /turbo related ?
it could be a number of things, turbo is most likely cause though.
Title: Re: Stuttering under boost
Post by: dub whore on 18 June 2013, 17:18
It's a new turbo. So unlikely to be that. It's almost like its over fuelling and coughs and splutters.  :huh:
Title: Re: Stuttering under boost
Post by: Dalo Harkin on 19 June 2013, 12:33
Did you replace the turbo with a like for like as in K03 >K03 or K03s >K03s
If you did and its smoking is it white or blue smoke? blue is oil and white is damaged turbo or coolant
Title: Re: Stuttering under boost
Post by: dub whore on 19 June 2013, 18:04
Did you replace the turbo with a like for like as in K03 >K03 or K03s >K03s
If you did and its smoking is it white or blue smoke? blue is oil and white is damaged turbo or coolant

Not sure on the colour as its hard to tell when your driving flat out lol. And I went from a ko3s to a ko4 001. The turbo has been fine for the last 4 months. I can't see it being the turbo but I'm open to opinions.
Title: Re: Stuttering under boost
Post by: jamie16v on 19 June 2013, 21:09
was it a genuine or copy turbo?
Title: Re: Stuttering under boost
Post by: dub whore on 05 July 2013, 21:20
Copy turbo but I don't think it's that. I've since found I have a dtc 00575
Title: Re: Stuttering under boost
Post by: mattyfairbro240579 on 06 July 2013, 00:23
As Jamie says it could be the MAF, unplug it and see if the problem improves
Ive got a similar problem at the mo, so ill give it a try, thanks for the great info lads
Title: Re: Stuttering under boost
Post by: Wazzzer on 06 July 2013, 11:34
bear in mind it will only give you about 100bhp lol