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Model specific boards => Golf mk3 => Topic started by: euro-gti on 06 May 2009, 02:04

Title: misfire one engine warm
Post by: euro-gti on 06 May 2009, 02:04
mk3 golf 2.0 8v its in a mk 2 but when the engines cold it runs as soon as its warm it misfires badly

please help
Title: Re: misfire one engine warm
Post by: rubjonny on 06 May 2009, 08:46
what management are you running it on, mk3 or mk2 digi? also what year/code engine if its running on mk3 managment
Title: Re: misfire one engine warm
Post by: euro-gti on 06 May 2009, 11:41
its running on the managment that came with the engine originally its a 1994 c2e engine
Title: Re: misfire one engine warm
Post by: rubjonny on 06 May 2009, 13:14
ok cool, id start by checking for vac leaks, and set it up as per the digifant tuning guide in the mk2 section, 2e procedure is the same :)
co you sniff from the manifold pipe rather than at the back if it has a cat, though I imagine you binned that ;)

ECU temp sensor also worth replacing with a new VW one if you havent already done so, its the 4 pin black one in the front coolant flange
Title: Re: misfire one engine warm
Post by: euro-gti on 06 May 2009, 18:24
rite cool thats a good start i really need a image of the back of the engine to seee where all the air flow pipes lead as i have a few left over and there was one missing compltly from the throttle body,

i will look for another temp sensor as it seems to make sence why its not working
Title: Re: misfire one engine warm
Post by: euro-gti on 06 May 2009, 18:36
ok cool, id start by checking for vac leaks, and set it up as per the digifant tuning guide in the mk2 section, 2e procedure is the same :)
co you sniff from the manifold pipe rather than at the back if it has a cat, though I imagine you binned that ;)

ECU temp sensor also worth replacing with a new VW one if you havent already done so, its the 4 pin black one in the front coolant flange

wheres that bit you talk about
Title: Re: misfire one engine warm
Post by: rubjonny on 07 May 2009, 10:54
follow the top radiator hose, this connects to the front coolant flange on the head and the ecu/dash 4 pin sensor is in there :)