05 GPR 1300 Help?? - Page 2 - PWC Forum: The best hang-out for Personal WaterCraft enthusiasts
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post #11 of 37 (permalink) Old 03-20-2019, 03:40 AM
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I just noticed a D plate was installed. Dave, isn't there supposed to be a special sensor simulator when this is done ?
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post #12 of 37 (permalink) Old 03-20-2019, 11:43 AM Thread Starter
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Yeah had a new D-Plate installed along with a new CAT Sensor. There was apparently a D-Plate already installed from the previous owner but the mechanic said that there was not a CAT Sensor. Why he wanted to do the plate again I have no idea.
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post #13 of 37 (permalink) Old 03-21-2019, 04:44 AM
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The cat sensor is unplugged when the cat is removed and the d plate is installed. There is a chip that is installed in place of the cat sensor. I would pull the sensor and attempt to look for a cat in there. Also look to see if the sensor is plugged in or just laying around. If it isn't plugged in, look for the chip plugged into the harness where the sensor would go. If the sensor is plugged in, you need to ask for the old d plate and chip back. Sounds like he doesn't know what he's doing or took you for a serious ride.

https://www.bing.com/videos/search?q...1&&FORM=VRDGAR
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post #14 of 37 (permalink) Old 03-21-2019, 09:46 AM
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Rods, I was thinking about that D plate chip the other day when I posted.
With the D Plate you DON'T use the cat sensor. D plates comes with a chip that plugs into the wire connection, that fakes the cat to the computer.
Find the harness wire that should go to the cat sensor. If this chip is missing and they connected the wire to the cat sensor and eliminated the chip, there's your problem. If this is the case contact the mechanic and request chip back. It is required for the D plate to fool the computer.
If they can't locate or don't have the chip there are ways around it to make one. The proper chip is preferred though.

In my opinion,
If they (shop mechanic) took your chip out and installed a cat sensor with D plate they owe you a chip and charged you for a sensor and parts you didn't need.
Even if it means they have to by a new D plate to get the chip at there expense. That's there problem. Just my $.02

The chip plugs into the wire and is taped up to secure chip and wire.
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post #15 of 37 (permalink) Old 03-21-2019, 10:59 AM Thread Starter
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Thank you Dave & Rods for all the feedback. I feel like I may have gotten taken possibly. Here’s the full story

I took this ski to the mechanic to have it overlooked. Upon inspection there was a D plate already installed that had silicone around the outside. He claimed that the silicone around the outside D plate was suspicious and needed to be investigated. Ultimately he rendered that the D plate need to be taken off and looked at for inspection to make sure it was properly installed therefore a new one would have to be installed and put on with new gaskets. He also said that there was not a CAT chip installed as well so he needed to put one on in addition.

So not being knowledgeable in these things I agreed and he allegedly installed a new D plate along with a cat sensor and also told me that the cat converter was taken out previously by its last owner. I made him show me the work that he was done because he charged me over $200 for the D plate and chip installation. He showed me the d plate which for all I knew was the existing one and said that he could not show me the sensor because it was hidden behind the electrical manifold. Tell me what I have here gentlemen
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post #16 of 37 (permalink) Old 03-21-2019, 01:32 PM Thread Starter
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*Update* Just lifted the seat off the ski and observed that cat sensor is plugged into the harness and there is no chip installed.

Question, This mechanic said that the Cat converter was removed the ski previously by the previous owner. Would I still need the chip to be installe given there is no cat converter in the ski anymore? And I really don’t trust this dude so how can I Check to see if the cat converter really removed.?
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post #17 of 37 (permalink) Old 03-21-2019, 05:07 PM
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Try removing the sensor and looking in the hole with a led pen light.
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post #18 of 37 (permalink) Old 03-21-2019, 05:24 PM
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Only way I know for sure to check is to remove the upper portion of the exhaust and look through it.
When the chip is installed the sensor is completely out of the system. It's still there just not plugged in. You unplug the sensor and plug in the chip on the electric box portion of the wire harness. If you contact one of the D plate manufacturers you may be able get the chip if need be. And it is possible to build one yourself. It's just a resister, but I don't know what ohm it needs to be but I can find out if you need.
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post #19 of 37 (permalink) Old 03-21-2019, 05:27 PM
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Yes you need the chip if the cats removed. The chip fools the computer to thinking it has a cat and that all is ok with it.
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post #20 of 37 (permalink) Old 03-21-2019, 05:40 PM
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If you have an inspection scope that hooks to you phone you can remover the sensor and try that way to see cat.
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