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Check engine light

3586 Views 16 Replies 6 Participants Last post by  vandstra
Hello all.....I was driving yesterday and the light came on. How can I diagnose it myself?
Ps, do I need a code reader?
Thx in advance,
1 - 3 of 17 Posts
This code is for heater circuit failure on the sensor in the middle of the cat. It's not an "out-of-spec and worn-out" code, it's a "something might be broken" code. Fix may be simple - I'd freshen the plug connection to the sensor (disconnect/reconnect), reset the code and see if it comes back. If it does, then replacement is in order.
It should be resettable with the battery disconnect, 15-20 minutes should be sufficient. Don't forget to find your radio code first, and that you'll have to re-"program" the driver's window auto up/down.
Before recommending the Bosch aftermarket O2 sensor, please search for "Bosch" on this site. Several folks with long-time car repair experience have noticed that the universal replacement has a much shorter service life than the Honda OEM part.

Just sayin'. :|
1 - 3 of 17 Posts
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