MK5 Golf GTI

All Things Mk5 => How to Guides / Troubleshooting => Topic started by: ReflexRob on June 25, 2015, 07:04:34 pm

Title: EGR not working?
Post by: ReflexRob on June 25, 2015, 07:04:34 pm

My 2005 GTI with 49k on the clock doesn't idle very smoothly,  the needle doesn't move but you can feel rough idling through the floor.

I removed the oil cap with the engine running and it made a gurgling noise but the engine still ran smooth.

Do I have EGR failure?

Title: Re: EGR not working?
Post by: Ricky123 on June 26, 2015, 01:22:14 am

I'm sure tfsi' don't have an egr??   :confused:

Common poor idle faults can be pcv, coil pack, spark plug and even carbon build up on intake valves.

Is your engine management light on?

Title: Re: EGR not working?
Post by: MrACD on June 26, 2015, 08:16:14 am

That usually would point to the PCV, probs needs replacing.  When I took out the oil dipstick (2 seconds) it started spluttering and running rough.  So if yours doesn't I look at getting that changed to start with  :happy2:

Title: Re: EGR not working?
Post by: ReflexRob on June 26, 2015, 01:41:15 pm

Cheers chaps - you are right I meant PCV, not EGR!  :rolleye:

Will check the dipstick method and post back.....

Title: Re: EGR not working?
Post by: ReflexRob on June 27, 2015, 10:21:57 pm

Ok,  pulled the dip stick.

Slight change in the way the car idled but no huge change....?

Title: Re: EGR not working?
Post by: Tony5haw2015 on July 01, 2015, 10:43:00 pm

Dont know much about this however my 06 gti was running bad, rough idle, car would gain rpm at idlle to 1400rpm and back , turned out to be a 180 degree pipe from pcv easier to show you

http://i426.photobucket.com/albums/pp343/SpeeDemon2437/Rear%20Sway%20Bar%20DIY/Rear%20Stress%20Bar%20DIY/Front%20Sway%20Bar%20DIY/PCV%20Fix%20DIY/stockpcvvalve.jpg

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Title: Re: EGR not working?
Post by: Tony5haw2015 on July 01, 2015, 10:43:27 pm

The pipe cracks easily and doesnt seem to seal very well causing idle issues

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Title: Re: EGR not working?
Post by: Tony5haw2015 on July 01, 2015, 10:43:52 pm

Deffo check it out before anything else as its a cheap fix

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Title: Re: EGR not working?
Post by: ReflexRob on July 06, 2015, 01:07:54 pm

Many thanks fellas - going to replace the pcv bits