I kinda sorta knew I had the same thing, but yesterday it affected me - due to the hesitation (1800-2000 rpm) they couldn't do an emission test on the rollers. So I have to figure out what it is before I go back. At least they gave me my $20 back for the test.
My old catalytic converter was bad (clogged, sort of), O2 sensor okay, replaced the cat. The engine bogged bad before at 2000-2200 rpm
Now it responds better but I need to pass emissions. Arg.
sdc
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