MK5 Golf GTI

All Things Mk5 => Mk5 General Area => Topic started by: northyracing on April 10, 2013, 01:26:18 pm

Title: 02 sensors
Post by: northyracing on April 10, 2013, 01:26:18 pm

Been told our cars have got 2 lambda sensors one befor the cat and one after is this true also anyone know the part numbers as been told this could be the cause of my lumpy idle and worse mpg

Title: Re: 02 sensors
Post by: northyracing on April 10, 2013, 08:23:54 pm

Anyone

Title: Re: 02 sensors
Post by: martziniuk on April 10, 2013, 08:58:05 pm

Yes they have 2 O2 sensors as you describe. Get your PCV checked as they cause lumpy idle.

Title: Re: 02 sensors
Post by: northyracing on April 10, 2013, 09:20:38 pm

Already had new PCV DV coils spark plugs cambelt and cam follower and a oil service