Similar problem
I'm having a similar problem with a very sporadic loss of power. It happens when the engine is warm and subsequently turned off. It seems to correct itself after turning the engine off then immediately back on again.
Last night on the way back from Arizona we pulled off for 30...
I have the same problem. I replaced a ton of parts indicated by the error codes and the catalyst module, which never got an error code, won't reset. I have an appointment with a smog referee this week.
For a while I was towing a 1984 Macgregor Venture sailboat to and from the local launch ramp. I'm about to tow a home made trailer 3k miles from LA to Key West in 2 weeks.