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NeilBlanchard · 03-03-2009, 08:29 PM

Hiya,

My 2005 Scion xA has had the Check Engine light come on a couple of times lately, and since I own a ScanGuage II, I checked the code number: P0138.

I looked it up and it is a "high voltage to the oxygen sensor"

OBD-II Trouble Code: P0138 Oxygen Sensor Circuit High Voltage (Bank1, Sensor2)

Does this affect my mileage? It seemed like it does... Do I need to replace the oxygen sensor? Or is there something else that can correct this? I have a zero deductible extended warranty...

03-03-2009, 08:29 PM	#1 (permalink)
NeilBlanchard Master EcoModder Join Date: May 2008 Location: Maynard, MA Posts: 1,764 Mica Blue - '05 xA RS 2.0 Team Toyota 90 day: 41.69 mpg (US) Josepha - '08 xD 90 day: 31.22 mpg (US) Thanks: 61 Thanked 70 Times in 52 Posts	Diagnostic error codes? Hiya, My 2005 Scion xA has had the Check Engine light come on a couple of times lately, and since I own a ScanGuage II, I checked the code number: P0138. I looked it up and it is a "high voltage to the oxygen sensor" OBD-II Trouble Code: P0138 Oxygen Sensor Circuit High Voltage (Bank1, Sensor2) Does this affect my mileage? It seemed like it does... Do I need to replace the oxygen sensor? Or is there something else that can correct this? I have a zero deductible extended warranty... (Support Ecomodder.com & get rid of these annoying ads!) __________________ Sincerely, Neil To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts. To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.