Car hesitates at higher speeds

Check Mass Air Flow sensor.

sounds like low idle control sensor ! when car acting up could sstop by parts house get them to plug computer in and see if any codes have been stored even though the engine light not on at this time

use a couple of cans of injector cleaner as faulty injectors are indicated

cadilatic convertor

have your fuel filter and fuel pump checked for pressure. sounds like the pickup sock in the tank is partially clogged.

those seem to be normal levels for operation anything too much above 40 is a concern tho or lower than 15

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Check the fuel pump and also the catalytic converter, if the car is running or idling o,k. then it is not the fuel pump but it could very well be a stopped up catalytic converter (a tell tale sign of this is balking or hesitation when this vehicle is on the highway in overdrive).

I have the same problem and called Honda. One of their technicians said its related to transmission fluid and is considered normal, and there's nothing to fix. :(