"chibitul" > wrote in
oups.com:

> Hi,
>
> To make sure all 4 cylinders are running, I unplugged the high voltage
> wire from each spark plug (one a a time, not all at once). Each time
> the idle RPM dropped a little bit, so I said "OK, each cylinder must be
> firing properly".
>
> However, I drove later to AutoZone and asked them to check the error
> codes, and there were NONE! not a single error code. So why there were
> no error codes? Also, with one wire unplugged, the Check Engine light
> did not come on (the lamp is OK, it comes on at start-up).
>
> All this is for a 97 Civic LX by the way.
>



Why would there be any error codes in the first place? Were you
experiencing a misfire or something?


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TeGGeR®

The Unofficial Honda/Acura FAQ
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