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Old January 16th, 2017, 09:44 PM   #1
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P0325 knock sensor malfunction

My accord started throwing p0325 a few days ago. I was reading online and a lot of people are saying this is caused by rodents chewing through the harness. I looked at my harness, or at least what is visible of it, and it looks to be in very good condition. Is there another way to diagnose this without ripping the intake manifold off?

Also, can anything else cause this code to be thrown? I think my battery is about shot as it struggles to start and all power cuts out during cranking. Its a diehard platinum, but it's probably 7 years old. And i drained it twice 2 years ago while driving with a dead alternator. Could a bad battery affect it? The car still drives fine...err it drives like it always has in recent years lol Its got its fair share of issues, but I don't think most could affect the knock sensor code.

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Old January 17th, 2017, 07:43 AM   #2
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I pulled my knock sensor at 120k and the thing just fell apart in my hands. The wiring looked good but was super brittle, I assume from all the heat cycles.

Pull the IM and the knock sensor is just below it on the block. Have the new sensor ready as I'm sure the old one will break
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Old January 17th, 2017, 07:49 AM   #3
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you might have to remove a runner to get to it.
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Old January 17th, 2017, 10:52 AM   #4
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I'm kinda hoping to avoid pulling the IM. If I'm doing that, i might as well just replace it. My issue is that pulling the IM is a fair amount of work to have to do out in the cold parked on a Baltimore street. Not to mention I'd definitely want to have new gaskets and possibly other materials on hand for putting it all back together. It's there no way to test it other than pulling it? Is there any tips for getting a better look at the wiring?

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Old January 17th, 2017, 10:53 AM   #5
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you might have to remove a runner to get to it.
A runner?

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Old January 17th, 2017, 11:07 AM   #6
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intake runner. The sensor is under that. It makes its a lot easier to take off the sensor since you can drop stuff in there and it is really annoying especially if you have big hands.
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Old January 17th, 2017, 11:26 AM   #7
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intake runner. The sensor is under that. It makes its a lot easier to take off the sensor since you can drop stuff in there and it is really annoying especially if you have big hands.
I have gigantic hands actually lol I'm 6'4" 300lbs, and my hands are large for someone my size 😐

I'm going to have to look more into this, since I'm unfamiliar with what you're taking about. Are you saying this is a way to access it without removing the intake manifold?

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Old January 17th, 2017, 11:30 AM   #8
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NO you have to take off the intake manifold in addition to the intake runners if your hands are huge. So a lot of stuff has to come off.

If you are fast probably 30 mins to take it off. If you have to d/c a lot of stuff maybe an hour
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Old January 17th, 2017, 02:46 PM   #9
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NO you have to take off the intake manifold in addition to the intake runners if your hands are huge. So a lot of stuff has to come off.

If you are fast probably 30 mins to take it off. If you have to d/c a lot of stuff maybe an hour
D/c?

If i have to take all that off, I'm not going to be able to do it for quite a while... until i can get down to my parents place. Is there anything wrong with driving it like this for a bit?

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Old January 17th, 2017, 02:53 PM   #10
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you will burn more gas and if your car is knock then there is no way the computer can save it. Just don't go WOT


D/C is disconnect
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Old January 17th, 2017, 03:05 PM   #11
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you will burn more gas and if your car is knock then there is no way the computer can save it. Just don't go WOT


D/C is disconnect
Well ****. That sucks. If it means anything, i used the knock detector module in my torque app, and it turned up nothing lol

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Old January 20th, 2017, 08:32 AM   #12
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LOL, I forgot about those runner
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