Intake and fuel System question. - Kawasaki Vulcan Forum : Vulcan Forums
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post #1 of 34 (permalink) Old 04-22-2018, 07:07 PM Thread Starter
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Intake and fuel System question.

Ok, gonna be a long post, but I need some serious guidance here.

2006 Kawasaki Nomad 1600. I put Vance and Hines Big Shots on it and after roughly 500 miles I suddenly got an FI code. Ended up being code #15, atmospheric pressure sensor was bad. Now, I found the sensors, I have the maintenance manual luckily, but I asked this question in a group on FB and I'm getting mixed answers.

I was told I did not need a power/fuel commander since I only did an exhaust swap and that I could simply put a bypass on said sensor and be ok. But others said I needed a new sensor and a power commander too. So, what's the truth? Can I simply use a power commander and that will clear the code? Do I need to simply replace the sensor? Do i need a new sensor and a power commamder? I'm not a mechanical novice, but I haven't worked on bikes much so this sort of thing is still very new to me. Any help would be greatly appreciated! And please ask me for any other needed info and I'll try to provide it. Thanks in advance!
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post #2 of 34 (permalink) Old 04-22-2018, 09:55 PM
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1. How many miles on the bike?
2. How long have you owned?
3. Exhaust change will not set error code 15.
4. Adding a PC will not clear the code.
5. Did you check the air sensor electrical connection?
6. Do you have a meter and know how to use it?
7. Disconnecting sensor will set a code 15.
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post #3 of 34 (permalink) Old 04-23-2018, 06:51 AM Thread Starter
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1. How many miles on the bike?- 6500 miles currently

2. How long have you owned?- I've owned the bike for 3 years.

3. Exhaust change will not set error code 15.- I didn't think so, but had to ask because some folks were saying it could.

4. Adding a PC will not clear the code.- Good to know

5. Did you check the air sensor electrical connection?- I did, all clean no cracks or breaks in the wiring that I could find.

6. Do you have a meter and know how to use it?- Yep, have the manual that shows how to check it all out just haven't been able to get to it just yet and wanted some other opinions first.

7. Disconnecting sensor will set a code 15.- Ok.
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post #4 of 34 (permalink) Old 04-23-2018, 09:45 AM
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Follow the manual checks and post back with results.
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post #5 of 34 (permalink) Old 04-25-2018, 10:56 AM Thread Starter
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It looks like I am going to have to get new leads because mine won't work when trying to get a reading off of the ECU when hooking up like it says too.
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post #6 of 34 (permalink) Old 04-25-2018, 11:05 AM
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If you set meter to ohms scale and short leads together, does meter respond?
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post #7 of 34 (permalink) Old 04-25-2018, 12:34 PM Thread Starter
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My meter works fine. It's the leads. They're not sharp enough to press into the wires or make contact in the plug.
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post #8 of 34 (permalink) Old 04-25-2018, 02:19 PM
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I sharpen my meter leads to a needle point so that they will stab any corrosion or other coatings to make a good connection.
Also, do NOT puncture any wires to do the test. Go to the ECU and test at the connector making contact with the connector pin.
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post #9 of 34 (permalink) Old 05-04-2018, 09:52 AM Thread Starter
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Ok, sorry it took me a while to get back to you, but as far as I can tell the sensor is working properly. So what would be the next step?
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post #10 of 34 (permalink) Old 05-07-2018, 10:32 AM
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Do you still need help with this?
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