MK5 Golf GTI

All Things Mk5 => Mk5 General Area => Topic started by: MJGib on June 06, 2014, 10:43:58 pm

Title: Car runs lumpy on tick over...
Post by: MJGib on June 06, 2014, 10:43:58 pm: My car runs lumpy on tick over...
No fault codes show on reader
It's not all the time it will run lumpy for 5 mins then stop for 2/3 mins then start running lumpy again? :/

Any help guys?
Title: Re: Car runs lumpy on tick over...
Post by: betty_swollox on June 06, 2014, 10:45:40 pm: Just a characteristic of this engine lol

Try changing pcv valve
Title: Re: Car runs lumpy on tick over...
Post by: MJGib on June 06, 2014, 10:57:44 pm: Quote from: betty_swollox on June 06, 2014, 10:45:40 pm
Just a characteristic of this engine lol

Try changing pcv valve

Only asking because my mates got the same car same engine code & year & his is fine on tick over...

But I'll try that... Thanks :-)
Title: Re: Car runs lumpy on tick over...
Post by: betty_swollox on June 06, 2014, 11:00:02 pm: Luck of the draw lol
Title: Re: Car runs lumpy on tick over...
Post by: SurreyED30 on June 06, 2014, 11:07:16 pm: Do the PCV check, Have a read through this and give it a go in the morning. If it needs replacing there about £34 and will give you piece of mind mate. Plus car will run better

http://www.mk5golfgti.co.uk/forum/index.php/topic,44709.0.html

Have you changed all the advised maintenance bits ?
Title: Re: Car runs lumpy on tick over...
Post by: SurreyED30 on June 07, 2014, 04:53:19 pm: Good too meet you today, how did you get on mate with the PCV check
Title: Re: Car runs lumpy on tick over...
Post by: warby on June 07, 2014, 07:00:13 pm: Mine sounds rough but it's not hunting at all. Must be the stupid drainpipe exhaust I made for it!

Sent from my iPhone using Tapatalk 2
Title: Re: Car runs lumpy on tick over...
Post by: Webbmeister on June 07, 2014, 10:22:42 pm: Same symptoms as my 57 GTI. PCV changed by Alex (AKS tuning) and all resolved.
Title: Re: Car runs lumpy on tick over...
Post by: Saintsteve on June 07, 2014, 10:44:54 pm: Fuel injectors and carbon build up is where I would hedge my bets .
Title: Re: Car runs lumpy on tick over...
Post by: SurreyED30 on June 07, 2014, 11:01:51 pm: What's the price on injectors these days for the eddy?
Title: Re: Car runs lumpy on tick over...
Post by: Saintsteve on June 07, 2014, 11:15:35 pm: About £100 each I think, but a lot of the problem is just carbon build up on them that can be cleaned.

This problem is getting more common if you notice these cars get more miles on them :happy2:
Title: Re: Car runs lumpy on tick over...
Post by: GrayMK5GTI on June 07, 2014, 11:24:01 pm: Quote from: Saintsteve on June 07, 2014, 11:15:35 pm
About £100 each I think, but a lot of the problem is just carbon build up on them that can be cleaned.

This problem is getting more common if you notice these cars get more miles on them :happy2:

This is very true.

Try a can of BG44K in the fuel tank, that will help to clean the carbon off the injectors.

The TFSI's are dirty engines and as a result make a lot of carbon - you can see the amount of black smoke they throw out when tuned (tuned K04 setups are the worst for this)

They seem to like a good thrashing to keep them clean so don't be afraid to give it a good spanking now and again :evilgrin:

Dirty inlet valves are inevitable as these engines get more miles in them. This will affect the idle and the starting
Title: Re: Car runs lumpy on tick over...
Post by: SurreyED30 on June 08, 2014, 09:24:09 am: Where can I buy this mate or is it a interweb jobbie?
Title: Re: Car runs lumpy on tick over...
Post by: GrayMK5GTI on June 08, 2014, 12:39:23 pm: Quote from: SurreyED30 on June 08, 2014, 09:24:09 am
Where can I buy this mate or is it a interweb jobbie?

BG44k?

eBay matey :happy2: some specialist tuners may sell it too. . .
Title: Re: Car runs lumpy on tick over...
Post by: SurreyED30 on June 08, 2014, 04:20:48 pm: THanks mate :happy2: