700 Sportsman 05 Code 41 & 45 - Polaris ATV Forum
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post #1 of 10 (permalink) Old 06-13-2010, 11:21 AM Thread Starter
Tim
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700 Sportsman 05 Code 41 & 45

My bike keeps throwing the codes 41 & 45, anyone know what this is?
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post #2 of 10 (permalink) Old 06-13-2010, 01:17 PM
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Look in the site. there are many cases like yours and mine. It is a sensor attached to the air intake. I am not an expert of this, but it looks like a very common issue
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post #3 of 10 (permalink) Old 06-13-2010, 01:36 PM Thread Starter
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thanks does the sensor go bad
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post #4 of 10 (permalink) Old 06-13-2010, 02:17 PM
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41 Air Temp Sensor: Open or Short Circuit to Sensor Voltage (ECU)

41 Air Temp Sensor: Short Circuit to Ground

45 Barometric Pressure Sensor: Circuit Low Input

Thanks,
Will

2012 Sportsman 400HO - 5,800KM and counting.
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post #5 of 10 (permalink) Old 11-22-2010, 07:16 PM
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how do u fixs thoughs codes im having the same problem
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post #6 of 10 (permalink) Old 11-23-2010, 01:50 AM
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I ended up replacing the the Sensor T-map (70$). An other possible issue is the other sensor, the T-bap, but that was ok in my case. Hope it helps!
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post #7 of 10 (permalink) Old 11-23-2010, 06:21 AM
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thanks ill try that
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post #8 of 10 (permalink) Old 09-25-2011, 04:45 AM
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Hey!
I have a 2005 sportsman 800 showoing code 45 only. Most common feedback is the wiring harness or T-BAP. My bike and other feedback that thier bikes were stalling/dying somewhat randomely was a symptom. Could operate for a day or a couple of hours and no problem then suddenly it would die. Let set for about a half hour and could go again for a while......or as little as ten minutes and die again. I found that the longe I let it sit, the longer it would run before stalling again. Sems like a heating and cooling roblem that could be wire related...but.....
So, wondering if you had the same stalling issue....should help narrow down the cause and solution.
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post #9 of 10 (permalink) Old 09-25-2011, 06:21 AM
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Try this...

REPAIR of a Code 41...

CW

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post #10 of 10 (permalink) Old 02-26-2015, 05:04 AM
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Blink code 45

I had blink 45 a few years ago and actually found the intake manifold tube was cracked. the tube is made from hard rubber that after a few years of heating and cooling it got stiff. My air box mounting tabs have been broken for years which ultimately led to the intake tube flexing and cracking.

To isolate a possible crack lightly push down on the intake tube while the bike is idling if the engine falters and runs rough, remove the intake and inspect the manifold tube for cracks.
Good luck.
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