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[quote=Anonymous][quote=Anonymous]Two days ago, our 2015 Odyssey (which we bought new and has been well maintained and has fewer than 40,000 miles on it) suddenly started shaking while driving. We had it towed to the dealership and after their diagnostics, there are many problems with the engine (I am not a car person, but there is a cylinder misfiring, a “fouled out” spark plug, a piston ring that needs replacing, [b]other issues with cylinders 2 and 3[/b], and they say they can’t confirm whether there will be additional issues once they break into the engine. All of this, plus some separate electrical issues, will cost about $7k to fix. I am speechless. We bought a Honda because the engines are supposed to last forever. We are, of course, just outside of our power train warranty. This vehicle has been a headache nearly since the beginning. We just spent a few thousand replacing the rear breaks, replacing the battery, and other maintenance items. One of the sliding doors won’t open from the inside. This is the second time I’ve had to have it towed in the last month. I am beyond frustrated since these cars are supposed to be so reliable. At this point the blue book value is probably only $15-$17k and I feel like we’re sinking our money.

What would you do here? Is it worth it to have it towed to another place for a second opinion? Assuming we would have to pay for diagnostics again in that case though. Never again with Honda for us. [/quote]

What are the other issues w/cyls 2 and 3? I'd start with the least invasive/least costly fixes first. Replace all spark plugs ($200) and check if any of the ignition coils have malfunctioned. You have 6 coils, each one is approx $30 to $75, if one is gone, I'd change all six, so approx $400 there. This can all be done without opening the engine. Then you're getting more invasive and you want to make sure that the mechanic is not making a bigger deal (and taking more $$$ from you than really needed). If its piston ring, you would want them to show you the old one. That goes for any internal part that is broken, you want to insist that they show it to you.

Did you have any clicking sounds/loose ring sounds coming from your engine under mild acceleration w/low RPM? If so, possible you had an issue with pre-detonation which shakes the piston rings thus the ringing sound. The "simple" fix to this is to use premium fuel which is more resistant to engine knocks. We had the above issue in our 2010 Ody, resolved with premium fuel.

Do you have cylinder management system in your Ody, ie it disconnects two cyls while cruising? I know some Ody's have had issues w/that, you may want to look that up via google and see if there were any class actions lawsuits and/or extended warranty in cases where cyl-deactivation systems are involved, perhaps you may be covered anyway.

Engine issues sucks, I can deal with rattles and plastic pieces breaking here and there, but the engine, the heart of the car, not working........well, breaks my heart.... :-)

Best of luck.[/quote]

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