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If a check engine light is appearing when the car starts then the ECU is receiving an alert from somewhere in the engine. The computer should receive a diagnostic test which will provide an answer as to why the check engine light appeared on the 1997 Honda Civic.
U check the codez
The diagnostic port on a 1989 Honda Civic is found in the front of the engine bay. The wire harness will have and extra clip in front of the passenger side of the firewall. This is where a computer can be plugged in to check for codes.
Diagnostic port is either under steering wheel or near the engine antifreeze line (under the hood).
Check engine codes on Honda vehicles such as a 1992 Honda Civic have to be manually reset. To do so, remove the ECU fuse located inside the engine bay.
To reset the check engine light on a 1998 Honda Civic located the blue 15 amp fuse in the engine bay fuse box. The fuse is labeled ECU, and will reset the check engine light when removed.
A check engine light on a 2001 Honda Civic means there is a malfunction occurring somewhere on the engine. The ECU is sending a signal so to make the driver aware of the situation.
Check the passenger side, underneath the glove compartment. By the Fan motor.
The check engine light on a 2004 Honda Civic can be reset by unplugging the ECU fuse in the engine bay fuse box. The ECU fuse is located is blue and rated at 15 amps.
The engine size of the Honda Civic is 1.8 litres.
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you have a problem with your engine and and its emissions. take it to auto zone for a free check.