johngdole@hotmail.com wrote:
> which engine? F23A1 or F23A4?
>
> If non-ULEV you should be able to get both upstream and downstream
> sensors for about $130 +shipping (www.rockauto.com). I'd recommend
> Bosch planar type sensor, these designs are more resistant to
> contamination than the cheap heated thimble that's in there already.
> I'd stay away from Densos, these have cost Toyota, Honda and many
> owners to needlessly replace catalytic converters.
>
> However, if you have the ULEV version, then the upstream sensor costs
> about $220! I think the OEM may be the NTK pump cell wide band sensor,
> which Bosch also reboxes, but not sure.
>
> If the sensor is not working, then your car's ECU may not go into
> closed-loop operation. So try to solve these first.
>
> http://www.boschautoparts.com/Produc...nsors/PlanarO2

thank you to our corporate sponsors. now back with the program.

bosch sensors may work in gm, frod, vw, etc., but they excite a lot of
negative passion on honda groups because of poor performance and codes.
they're not worth the cost saving.




>
>
>
> On Mar 12, 11:53�pm, waynewright <waitnei...@gmail.com> wrote:
>> Hi Folks. �My 2001 Accord EX (4-cyl) is at 102,000 miles and throwing
>> all of these codes...
>>
>> P0141 Secondary Heated Oxygen Sensor (Secondary HO2S) (Sensor 2)
>> Heater Circuit Malfunction
>>
>> P0420 Catalyst System Efficiency Below Threshold
>>
>> P0700 Automatic Transmission Control System
>>
>> P1166 Air/Fuel Ratio (A/F) Sensor (Sensor 1) Heater System Electrical
>> Problem
>>
>> P1298 Electric Load Detector (ELD) Circuit High Voltage
>>
>> P1768 ???
>>
>> I don't even know what the last one is. �Any ideas for where a novice
>> should start? �I'm out of work until my new job starts in about a
>> month, and PA state inspection just around the corner. �Also, I was
>> part of the Sept 2002 auto transmission recall covering 1.2 million
>> Honda and Accura models, did need and got a new trans for free, but
>> the extended warranty on the news trans expired at 100k miles incase
>> that is relevant.
>