Thread: Colder spark plugs, really?
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Old 03-20-2021, 08:43 AM   #2
Robert986
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Join Date: Feb 2017
Location: Stockholm
Posts: 375
Garage
One other really cool finding however is that now when I go catless, the previous drone is gone. OEM-cats: no drone, 200cel cats: quite a bit of drone. I have no idéa why.. Will report back after the car is properly mapped so I can really try it.
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