Join Date: Jan 2007
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Hi and welcome to the forum.
Someone has probably replaced the
sensor and its loom with a replacement from Renault. The replacements do have different coloured wires. The connections certainly shouldnt just be twisted together though.
It might be wise to get them joined correctly and take it from there.
Currently in dave_mezza2006's garage:
2014 Vauxhall Astra Limited Edition 1.4 16v VVT Turbo