The yellow sensor intake is 1a, the 1b had the IAT plugged into in the inlet ducting in the engine bay.
No O2 sensor on any UK spec MK1, so your exhaust manifold isn't from a UK MK1, may well still fit OK depending on what it's from.
The yellow sensor intake is 1a, the 1b had the IAT plugged into in the inlet ducting in the engine bay.
No O2 sensor on any UK spec MK1, so your exhaust manifold isn't from a UK MK1, may well still fit OK depending on what it's from.
Last edited by jimi; 28th June 2021 at 11:14 AM.
Black is not a colour ! .... Its the absence of colour
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