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11-28-2002, 02:07 AM

Where is the ECU located at on a 99 civic? I need to tap the O2 sensor wire to run the A/F gauge. Should I tap the wire at the ECU or at the primary O2 sensor?

11-28-2002, 02:07 AM	#1
1badcivic Posts: n/a	Where is the ECU? Where is the ECU located at on a 99 civic? I need to tap the O2 sensor wire to run the A/F gauge. Should I tap the wire at the ECU or at the primary O2 sensor?