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unplug the spark-plug: error code or not?
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. Thanks |
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