And the dealer is the very last resort, possibly even less desirable than just running it off a cliff. Also, it would be pretty hard to connect the plug wires incorrectly since the wires going to the individual ignitors have very limited movement coming out of the wire harness. As for the plug wires, can’t be that because the plugs were not touched until after the problem had already surfaced. When mentioned that did the belt change a second time, should have specified that I just removed and reinstalled the replacement belt while verifying every step. There are only two belts, the original and the replacement. Do not believe that this happened because until the belt was changed, the engine was running fine (albeit a bit noisy) with no misfire codes. Second is the timing belt jumping a tooth. Have not lost any coolant, no white puff on start-up, and there was no evidence of this misfire problem until the timing belt change. I will address all input.įirst, do not believe that it is a head gasket issue. Soooo…, any suggestions? Anybody else run into this before? Barring any useful information or magical fix, my next step is to reinstall the old timing belt and see if that changes anything. Don't yet know what it is, but it would certainly be a rather crazy coincidence that any one of those mentioned items just started causing problems immediately upon changing the timing belt. However, I rather doubt that it is any of those items because I never even had a hint of this problem prior to the timing belt change. These are some known issues in the Odyssey community. The one person that responded to my other pleas for assistance suggested the following items be checked: valve lash adjustment, compression test, vacuum test, spark plugs, EGR valve, catalytic converters, and intake manifold ports. Guessing that other misfire codes are probably present now that it was driven a few miles.) Just a thought, an odd part of all this is that with all the misfiring going on, there are no codes for cylinders #1 or #2. (That was read immediately following reassembly. ![]() Still have same symptoms of stumbling at idle, flashing CEL, and misfire code P0305. This was all to no avail, everything is still as it was following the first belt change. Next, I reinstalled the new belt while double checking (actually triple or quadruple checking) every step in the factory service manual. First, I compared the new to the old belts (I had marked the old before removal, and marked the new prior to install). Thinking that I had possibly installed the timing belt a tooth off, I did it again. If allowed to fall to normal idle (650 – 700) for more than a few seconds, that is when problem presents itself.Īfter having driven about 60 miles over a couple days, checked the codes again. (There was also code P0A15 for the engine mount control but that was there before the timing belt change so I doubt it has anything to do with the new misfire codes.) Swapped ignitor coil and spark plug with another cylinder with no change in symptoms or codes.Ĭontinued to drive it since the engine seems to run fine and no flashing CEL as long as RPMs are always held above 900 RPM. The code was P0305 for misfire on #5 cylinder. After putting it all back together, the knocking is gone, but engine had a bit of a stumble at idle and the CEL was flashing. This was confirmed when I changed the timing belt (only 50,000 miles overdue) along with associated pulleys and such. Discovered that the timing belt tensioner actuator had seized and was no longer providing the required tension. Engine recently developed a knocking sound. Figured that I’d give it a shot here since this site seems a bit more active and the Odyssey and Ridgeline drivetrains are essentially the same. I’ve thrown this problem out on two separate Odyssey forums (Od圜lub and OdysseyOwnersClub), but they don’t seem to have much traffic and I’ve gotten very minimal feedback. ![]() A lowly Odyssey owner here asking y’all for some advice.
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