986 Forum - The Community for Porsche Boxster & Cayman Owners - View Single Post

jcb986 · 12-16-2009, 10:02 AM

Never had a problem on mine but my 04 Trailblazer did. Started running rough, die, hardly go. Turned to be a oxygen sensor. I believe it was upstream. :ah:

12-16-2009, 10:02 AM	#8
jcb986 Registered User Join Date: Apr 2009 Location: Orlando Posts: 1,266	Oxygen Sensor Never had a problem on mine but my 04 Trailblazer did. Started running rough, die, hardly go. Turned to be a oxygen sensor. I believe it was upstream. :ah: