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roflwaffle · 03-10-2010, 12:51 AM

If it's not actually burnt then it probably is just wear like Frank mentioned. If it shows up in another set then it might be worthwhile getting a wideband O2 sensor, especially since you could lean it out in that case.

03-10-2010, 12:51 AM	#78 (permalink)
roflwaffle Master EcoModder Join Date: Dec 2007 Location: Southern California Posts: 1,490 Camryaro - '92 Toyota Camry LE V6 90 day: 31.12 mpg (US) Red - '00 Honda Insight Prius - '05 Toyota Prius 3 - '18 Tesla Model 3 90 day: 152.47 mpg (US) Thanks: 349 Thanked 122 Times in 80 Posts	If it's not actually burnt then it probably is just wear like Frank mentioned. If it shows up in another set then it might be worthwhile getting a wideband O2 sensor, especially since you could lean it out in that case.