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Discussion Starter #1
Hey:

I'm looking at a 2010 Odyssey EX-L with 46K miles for sale at a low price. The owner says the vehicle CEL and VSA lights came on and stayed
and the vehicle began to run a "little rough." No known fluid problems or leaks. No overheating reported. No smoking. He had a mechanic look at it who told him
it failed a carbon block test and had two blown head gaskets and that the engine was soon to fail.

I started and drove the vehicle. Runs a bit rough, but will hardly accelerate. Normal operating temperature. I don't see any of the simple signs of a blown head gasket. It sure doesn't feel like an engine with its entire front bank of cylinders misfiring.

Here are the ECU codes I pulled:

P0123
P2176
P0304
P0305
P0306
P0300
C1555

I forgot to ask if the battery went dead and wonder if the throttle issues are related to a relearning issue.

If it really is a blown head gasket what allows coolant to flood three adjacent cylinders causing misfires. That would seem to me
to be a massive failure.

I'm hoping some smart people here may have seen this issue cause I really like this van.

Thanks
 
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