One problem related to check engine light on has been reported for the 2009 ford focus.
2009 ford focus check engine light reset.
You may want this tool if your terminals need cleaning http amzn to 2wpb35s if an auto repair store isn t near by and you ve done your car repair you can.
Please also check out the statistics and reliability analysis of the 2009 ford focus based on all problems reported for the 2009 focus.
It s still recommended to check the trouble codes first with an obd2 scanner if the check engine light is on.
Wait 15 minutes then replace the terminal on the stud and tighten the bolt using the socket set.
The first step in troubleshooting the check engine light is to read the fault codes with an obd ii scanner.
The check engine light in a ford focus is designed to stay on until it has been deactivated by a mechanic at an auto garage.
But if you do not have one available you can often do it without one.
Locate the diagnostics port under the dashboard of your ford.
The most recently reported issues are listed below.
The video above shows how to locate the on board diagnostics obd plug on your 2009 focus how to read the trouble codes and how to reset or clear the check engine light using a scanner on your focus.
Ensure that the terminal no longer makes contact with the stud.
Remove the terminal from the battery stud.
Connect your obd ii scanner into the diagnostics port.
Turn on the ignition by pressing the start button without pressing the brake pedal.
This resets the engine s computer system along with the ses light.
In some cases you need to pull over immediately to prevent damage while in others you merely need to tighten you gas cap next time you stop in order to reset the service engine soon light.
Here are some different ways how you can reset your check engine light.