- #71 of 128
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by pcullen
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Sep 17, 2008 (8:02 pm)
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Having searched this thread, you'll see cases where replacing the knock sensor either did not help or cured the problem. Now in the case of it not helping the issue, I have to wonder whether the dealers have actually replaced the sensor in some cases, or have determined that there's no fault code sent by the sensor to the engine computer, therefore, they dont' feel justified in actually replacing it - they don't want to just start replacing stuff because of the cost - and are left with no other options. When I brought my Ody in to the dealer a couple of months ago, I asked the mechanic to check the knock sensor but he said there were no error codes so he didn't replace it. Check out what Jyro's saying on an ody club forum thread about this link title It sounds convincing to me. Though what puzzles me is that if the claim in the bulletin "The knock sensor may have been damaged during engine assembly" is true, then how has it happened in so many cases? What is it about their assembly line procedure that could account for the sensors getting damaged so often? In any case, Honda has put out a bulletin for this and it can't hurt to have the dealer perform the service. What stands to get hurt is the engine and the resalue value if I don't act.
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- #72 of 128
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Re: [pcullen]
by hvacrman
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Sep 17, 2008 (8:16 pm)
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Replying to: pcullen (Sep 17, 2008 8:02 pm)
This is just a hunch but the part number they used on my car before this tech bulletin does not match the new part number. Possibly a different revision knock sensor that is more sensitive? Who knows.
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- #73 of 128
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Re: [hvacrman]
by fiend_bear
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Sep 19, 2008 (6:33 pm)
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Replying to: hvacrman (Sep 17, 2008 8:16 pm)
Per my post from August, the service manager said that Honda engineering knew about the knock/ping problem and was working on a "revised" knock sensor. He said that many sensors were damaged during assembly. Our dealer had replaced other Ody knock sensors with no reduction in pinging, so they stopped replacements and advised us to wait for the "new" knock sensor. I suspect TSB 08-071 is the new/revised knock sensor. A different part number would indeed confirm this (I don't know if this is the case though). I'm not going to get too excited until it actually works. Will let you know if this works on our '08 Ody soon. If not, we're selling this POS in 2009 and moving on to a Sienna.
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- #74 of 128
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Honda Odyssey Engine Ping, Detonation, Preingition issues
by naam4ever
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Sep 19, 2008 (8:42 pm)
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Hello all... just wanted to apologize for suggesting an idea of all bad ideas with that long email. Sending an email out to the whole world abt this issue will hurt Honda for sure but its also gonna hurt the current owners re-sale value...duh. Anywayz, i hope this new sensor replacement works!
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- #75 of 128
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Re: [fiend_bear]
by naam4ever
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Sep 19, 2008 (9:06 pm)
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Replying to: fiend_bear (Sep 19, 2008 6:33 pm)
Becareful with the Siennas..pls read their issue forums. Looks like 07' and some 08's have had their own share of problems. I would wait atleast till Mar 09' to see what issues are new owners reporting...thx...good luck.
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- #76 of 128
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Re: [naam4ever]
by warriorzerosix
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Sep 20, 2008 (4:17 pm)
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Replying to: naam4ever (Sep 19, 2008 9:06 pm)
Hey All, sure sorry to hear of these engine issues. We have a brand new 08 Odyssey with about 5200 miles and we have not experienced any of the issues cited in the previous posts. We are running Shell regular gasoline with no issues. Is this pinging and detonation only under load or heavy acceleration? 
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- #77 of 128
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Re: [warriorzerosix]
by hvacrman
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Sep 22, 2008 (6:29 am)
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Replying to: warriorzerosix (Sep 20, 2008 4:17 pm)
warriorzerosix-) From my experience it has a mind of its own. It could be under very low load on a flat road, warmer days seem to make it worse. I have duplicated the problem going uphill also. At times the pinging is very hard to hear since so much road noise is evident. If you focus in on the specific noise you will hear it. I test drove a 2008 LX the other day and it pinged like crazy going into 2nd gear. As previously posted they changed my knock sensor twice already and it still pings therefore I dont believe the replacement again is going to help, but I will give them the chance. I think this TSB is only to buy them more time instead of doing nothing. They are going to end up with a few crates full of knock sensors.
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- #78 of 128
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Re: [hvacrman]
by fiend_bear
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Sep 22, 2008 (5:13 pm)
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Replying to: hvacrman (Sep 22, 2008 6:29 am)
Just spoke with the Service Mgr about the new TSB 08-71. He said this will most likely NOT fix the pinging problem. Agree with hvacrman... this TSB is only to buy them more time instead of doing nothing. Service Mgr advised that the part number is the same. We may try the swap out on the off chance that it works, but this does not sound promising. Once again, if this issue is not fixed, we will be trading in our '08 Ody for an '09 Sienna. I know someone mentioned Sienna could have issues too, but I'm not sticking around for burnt valves and possible pre-mature engine failure. BTW - so far with less than 5K miles, we've had A/C failure (repaired), steering knock (repaired), alignment issue (not repaired), & wind rattle (not repaired) in addition to the ping problem. Yee Haw!
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- #79 of 128
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Re: [fiend_bear]
by pcullen
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Sep 22, 2008 (5:26 pm)
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Replying to: fiend_bear (Sep 22, 2008 5:13 pm)
Hi, I just got my van back from the dealer as they did TSB 08-071. My service adviser said that it is the same part number as the old one, in my case P/N 30530-P8F-A01 for an '07. But he said that the knock sensor is attached to the engine via a machine during engine assembly, instead of by hand and apparently the machine wasn't calibrated right or something like that and so incorrectly inserted the sensors. I may not be able to report back for a while as I have nearly a full tank of premium - my bandaid fix - in the tank and I'll need to refill with regular and I may not be able to simulate the correct conditions to ping for a while, as it needs to be warm to hot outside and I need to drive up a steep hill. I'll report back as soon as I can.
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- #80 of 128
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Re: Honda Odyssey Engine Ping, Detonation, Preingition issues [pcullen]
by menten
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Sep 26, 2008 (7:02 am)
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Replying to: pcullen (Sep 17, 2008 11:36 am)
Awesome! You rock!
My 2007 EX-L knocks like crazy on a hill. Our neighbors turned around to look a few days ago. Embarrassing. Higher octane gas makes a little difference but the engine still knocks. I have an appt for next week.
I also have the steering knock. I have brought it in before and they professed not to have heard it. I will insist this time.
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