On Tue, 12 Apr 2005 19:59:08 -0700, jim beam <nospam@example.net>
wrote:

>Zakatak wrote:
>> I have a 1990 Honda Civic 4 door with 196k. The car has been running great.
>> The car now seems to have a power loss at low rpm and jerks and shudders
>> untill about 3000 rpm when it will kick back in and perform. I have
>> changed the fuel filter, have new plugs, wires, dist/cap/rotor and all my
>> vac lines appear in good shape. Anybody delt with this please drop a line.
>>
>try the thermostat. it you're still on the original, it'll almost
>certainly be out of spec. by now. mine was & changing it removed
>symptoms like you describe. also check the operation of the throttle
>body's tandem valve.

Also, check to make sure that the timing advance mechanisms in the
distributer are working properly.