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700/900 Series General Forum for the Volvo 740, 760, 780, 940, 960 & S/V90 cars |
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Mot O2 sensor blunderViews : 183 Replies : 0Users Viewing This Thread : |
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Feb 27th, 2019, 14:58 | #1 |
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Last Online: Apr 9th, 2024 21:44
Join Date: Jul 2009
Location: Holywood
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Mot O2 sensor blunder
So my 360 with B230FT failed the mot for the first time ever.
I'm happy because I found the problem, but also annoyed because I could have fixed it on site. (Gov't mot in N.Ireland, have to pay for retest). Failed CO at around 6% with Lamba light on, only noticed the light after the CO failure, but I'm using the choke light, and don't drive this every day, so brain may have filtered it out. I think it only happened at the mot centre, when I restarted to move into the test centre from the queue. There was some interesting overtaking on the way Basically I rushed refitting the connector and got the 'wrong' side of the retention pins leaving it pushed out instead of pushed in by the sliding clamp thing. This was after rewelding the downpipe which had cracked. Also had to disconnect the battery to clear the fault 24hrs later. I thought it would clear itself fairly quickly, but it didn't. |
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