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  #1 (permalink)  
Old 12-30-2015, 06:47 AM
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Join Date: Dec 2015
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Angry O2 sensor problem

Owner of a 2015 (june)DF250AP, I've got a 3-6 code alarm after 17 hrs.
The dealer replaced the 02 sensor and no more problem until 50 hrs.
This week , one more time the same code alarm 3-6 with beeps and red pictogram displayed on the multigauge.
Actually , my dealer is not able to give me a technical and reliable answer about this problem.I'm not sure that a new spare part will be the good solution.
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Old 12-30-2015, 04:04 PM
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I have read about some occasional issues with O2 sensors on the recent 250's and 300's. My local Suzuki guy says that Suzuki released an upgraded version that solves this problem.

Suggest you go back to your dealer talk to them about the issue and request that they follow up with Suzuki regional tech people about the upgraded sensor and have the new one installed.
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Old 01-02-2016, 05:10 AM
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Thumbs up

Thank for the time to reply.
I'll post back if my dealer find anything.
Have a happy new year.
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Old 01-26-2016, 02:21 PM
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Some news about my 02sensor.
My dealer replaced the sensor last week with a new one.
The design of the new sensor is a little bit different ; many holes are located on the upper part.
It seems the sensor is moisture sensitive but no really explaination from my dealer.
I'll come back and inform you all as to the next steps after a few hours of operation.
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Old 01-26-2016, 05:11 PM
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Thanks for the update. Let us know how it goes.

I gather that these sesnors may also be affected by some silicon type sprays that some people spray their engine with. So go carefully if you use any such spray on your engine.
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Old 01-29-2016, 02:10 AM
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me too but I had lots of rust due to some unknown water leakage nearby .. I think rust was causing electrical problem with o2
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Old 08-17-2017, 08:54 AM
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Angry O2 sensor problem

Some news about my 02sensor.
My dealer replaced the sensor a couple of weeks for the fourth time !
Despite the fact , he'd used a new one with a spacer , the third sensor failed about 120 hours.
"Suzuki France" the official representative dealer finds no explaination one more time..
The sensor and the spacer are not very clean with like carbon deposits at the end.
I'll come back and inform you all as to the next steps after a few hours of operation.
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Old 10-06-2017, 10:04 AM
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Location: Long Island NY
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I know this an older post, But does anyone have picture of an O2 sensor and where it's location on a DF300AP. I looked on boats.net no luck
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Old 10-06-2017, 01:39 PM
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https://photos.app.goo.gl/2s5kJntcrawjxz7R2

O2 SENSOR
The O2 sensor is installed on the top of the cylinder.
To bring the actual air/fuel mixture ratio closer to the theoretical
ratio, the O2 sensor detects the oxygen concentration in the
exhaust gas and feeds it back to the ECM, compensating
(increasing/decreasing) the fuel injection duration.
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  #10 (permalink)  
Old 10-06-2017, 01:41 PM
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https://photos.app.goo.gl/YvORosRS8yZYm4tq1



O2 SENSOR
The O2 sensor is installed on the top of the cylinder.
To bring the actual air/fuel mixture ratio closer to the theoretical
ratio, the O2 sensor detects the oxygen concentration in the
exhaust gas and feeds it back to the ECM, compensating
(increasing/decreasing) the fuel injection duration.
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