Clean MAF sensor - Alfa Romeo Forum
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Join Date: Oct 2014
Location: United Kingdom
County: Cambridgeshire
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Thumbs Up Clean MAF sensor

I saw a video on YouTube of how to clean the MAF sensor on Saturday and thought I would give it a try as my 159 was a bit juddery at low revs. Low and behold it was dirty and all clogged with what looked like black treacle mixed with dust and thread. As it showed gently I cleaned it with WD40 and a tooth brush and the results were OMG, its like having a new car. I don't know why but it pulls through the rev range far more consistently and the car feels slightly more torquey.
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