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Author Topic: 02 sensors  (Read 415 times)

northyracing

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02 sensors
« 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

northyracing

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Re: 02 sensors
« Reply #1 on: April 10, 2013, 08:23:54 pm »
Anyone

Offline martziniuk

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Re: 02 sensors
« Reply #2 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.
Mk2 Octavia vRS with K04 conversion, 3"TBE & Decat, APR HPFP, BDM Intake, S3 I/C, Sachs clutch & Unicorn custom map, S3 brakes, AP coilovers, THS mounts.

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northyracing

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Re: 02 sensors
« Reply #3 on: April 10, 2013, 09:20:38 pm »
Already had new PCV DV coils spark plugs cambelt and cam follower and a oil service