Question about 2007 Honda Odyssey
I purchased this van new 9/07 and noticed a persistant pinging from the engine. Dealer replaced heat shields and knock sensor but problem still exists. I have test driven several other vans ranging from the EX to the Touring and they all seem to ping under mild load. When questioned the dealer they state it is a known problem with no known fix. What to do?
I have a honda 2005 touring...i noticed that the sensors are not working. these were working two weeks before...what might be the reason. any one had that problem. I am not getting any warning for that problem.
Posted on May 01, 2011
You probably know that pre-ignition or 'ping' comes from too much spark advance.
Apparently Honda has limited the influence of the knock sensor on the ignition timing in their quest to extract the maximum mileage from that engine.
It's not a healthy condition as you may know; I have seen an engine that was finally destroyed because of too much spark advance; at its extreme, it can punch holes in pistons.
The character of our engines is today under the control of integrated circuits and the 'chip' is what deteremines how an engine handles different conditions and some of the on-board computers have removable PROMs (Programmable Read Only Memory) that can be replaced with others that carry different settings to improve economy or performance but I have not heard of one designed to correct a factory screw-up, a category in which this one needs to be placed.
I would keep a close check on Honda factory 'fixes' to see if they will eventually issue a revised chip on a recall. I can't believe that this is an intended condition.
Posted on Sep 09, 2008
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