Common mk3 faults check listhttp://www.golfgtiforum.co.uk/index.php?topic=101400.0
I've got a 8v gti mk3... nah havent cleaned it yet, to be honest theres like loadsa things that can cause these types of problems, I have a slight problem but hope its just the throttle body needing a clean.
MAF and throttle bodies cleaned and still the issue is there.
Quote from: funkyfive on 12 June 2009, 21:10MAF and throttle bodies cleaned and still the issue is there.Had similar sounding problem on my 16v,turned out to be Relay for ECU!!!located on board below steering wheel and marked as 31 on mine & was 15 quid-hope its of some use