All Things Mk5 > How to Guides / Troubleshooting

Idling issue

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riz:
My Idling seems to have gone lumpy also the Revs rise then drop when stationary. Is this a TDC issue?
Only noticed it today, power seems to be ok, maybe a slight MPG drop but hard to  tell to be honest!!!

xxx_mojo_xxx:
my first thought would be to change the spark plugs.

182_blue:
Do you know anyone with vag com?, have you. Recently put some fuel in ?

KRL:
Check to see what your what your long term fuel trims are set to.  If they are a long way out you could have a problem with your MAF sensor.

Also try unplugging the MAF and see if the problem persists at idle.

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