Ive just found a blue connector at the back of the engine near the cat not connected to anything, do you know what thats for and is it supposed to be connected and to what? thanks
Hi everyone,
I recently swapped my old Vectra for an Audi A4 1.8 Turbo 1996 N reg.
It came with a few problems, it feels as though all the power isnt kicking in and it idles, now it does have a dump valve fitted but not even sure if its in the right place?
And I did see that the O2/ Lambda...
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