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Registered
Join Date: Jan 2001
Location: Laurel, MD, USA
Posts: 106
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I just ordered a universal from Paragon for $38. I pulled mine last week to inspect, and the white residue resembles spark plugs that are running lean. I'm replacing mine to see if it improves my mixture. (my plugs also show signs of running lean).
FYI: NAPA sells the same Bosche universal sensor for $95!
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