A check engine light can indicate a broad spectrum of problems with your 2003 honda civic.
Check engine light on honda civic 2005.
Turn on the ignition and then check if the check engine light cel is steady or flashing.
Have the ecu scanned with obd 2 scanner.
A steady light typically indicates a problem with the vehicle s computer system such as a sensor that is not delivering or receiving the correct data needed.
The check engine light is on because there is a problem with the emissions system.
Connect scan tool to the 16 pin data link connector dlc located underneath the glove compartment.
Let s take a look at some common problem that triggers honda check engine light to stay on.
This light is the centerpiece of your vehicle s on board diagnostics system obd.
A loose or missing gas cap will trigger your honda check engine light to come on.
When retrieving honda check engine light codes with an obd ii scan tool proceed as follows.
This will retrieve the code that has been set.
Checking the check engine light on my friends honda civic.
The connector has a removable cover.
What may be wrong.
On the other hand a flashing light typically indicates a misfire in the ignition system.
Follow scan tool manufacturer s operating instructions to access the diagnostic.
O2 sensor performing below efficiency is a widespread problem that will cause your honda check engine light to come on.
The check engine light came on in my 2005 honda accord.
Since the 1980s many vehicles have been built to be run by the engine computer unit ecu which controls vehicle s drivetrain and auxiliary systems based on input from the vehicle s sensors this computer will make adjustments to your vehicle s performance to keep your ride running smoothly.
2005 honda check engine light repair part 1.
Turn the ignition on.
Some common issues are o2 sensors evaporative emissions leaks a loose gas cap a misfire spark plugs low coolant etc.