P0140 and P2A01relate to o2 sensor problem
4061 Views 11 Replies Latest reply: 2014-04-04 10:50:01
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Level 4
(113) points
hummer H3 2007 3.7L L5 5gtdn made
i got the problem with O2 sensor it says both codes mean B1 S2 sensor
i did see the O2 stuck at 540mv and some times goes to 560 its steady no more voltage or bigger then 560i changed the sensor i mean the second sensor reset the codes it keeps comes back after a short tripany help much appreciated.here is a video shows all o2 data
youtube linkthanks in advancehttps://www.youtube.com/watch?v=x9Tn-lbJQcY&feature=youtu.befile: rer4r4t.jpgTags: DS708,p0140,p2a01
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Level 10
(7890) points
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Level 4
(113) points
dear sir new catalytic converter is been installed it has 18000 mile on the new cat theODO 105000 Mile
any other suggestion thanks and regards -
Level 10
(7890) points
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Level 4
(113) points
dear sir this engine have one bank only straight 5 cylinder 3.7L Vortic For Hummer H3it will show up only one bank but 2 sensors Ho2s B1S1 sensor and post catalytic sensor B1 S 2
the bank one shows changes as in the youtube video but the O2 sensor is steadily between 540 and 560any thoughts?! thanks again. -
Level 4
(113) points
https://www.youtube.com/watch?v=x9Tn-lbJQcY&feature=youtu.be -
Level 10
(7890) points
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Level 4
(113) points
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Level 10
(7890) points
-
Level 10
(7890) points
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