That spare plug, on a B3 90 with the KV you should have an injector cooling fan and a load of plastic ducting that collects air from by the gearbox and blows it onto the injectors, the fact your photo could be taken from this angle suggests it is completely missing, probably because it stopped working or the ducts got broken somehow..
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-1987 90 2.2E / Sapphire Blue (Rest in Pieces)
-1989 90 quattro with Sport Equipment / Satin Black
-1997 A4 Avant quattro TDI 110 / Tropical Green (Sold)
Last edited by Mellis46; 02-04-18 at 07:01 PM.
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