How to Reset the Change Engine Oil Message The Aztek uses the GM Oil Life System to calculate when to change your engine oil and filter based on vehicle use. It is widely thought to determine oil life by counting engine revolutions. While there is much debate about the merits of such a system as a basis for determining when to change engine oil, the system should be reset after each oil change to ensure that the CHANGE ENGINE OIL message does not appear inappropriately. There are two procedures for resetting the system, one for Aztek's with a DIC (Driver Information Center) and one for Aztek's without a DIC. PROCEDURE 1: Aztek's with a DIC 1. Turn the ignition to ON with the engine off. 2. Press the MODE button until the DIC reads "OIL LIFE LEFT/HOLD SET TO RESET" 3. Press and hold the SET button until 100% is displayed. You will hear three chimes and the CHANGE ENGINE OIL message (if illuminated) will go off. Repeat this procedure if the CHANGE ENGINE OIL message comes back on. PROCEDURE 2: Aztek's without a DIC 1. Turn the ignition to ON with the engine off. 2. Fully push and release the accelerator pedal slowly three times within five seconds. 3. Turn the key to OFF. If the CHANGE ENGINE OIL message continues to be illuminated, repeat the procedure.
On a 2002 Ford Expedition : The " check engine " light is the " SERVICE ENGINE SOON " light just to the left of the fuel gauge
Auto Zone will check your engine light for free... Write down the codes and go from there.
Auto Zone will check your engine light for FREE. They will also tell you whats wrong.
The check engine light has nothing to due with an oil change.
The check engine light does not come on for an oil change.
Check engine light is out
There are pages and pages of things that can cause a check engine light. You need to have it checked with a scantool. Then the code can be diagnosed and repaired.
Auto Zone will check your engine codes for FREE. Then go from there.
NO, the service engine light means that a scheduled service is due. Usuallly this means an oil/filter change. However if the Check Engine light is on this can be serious, and means there is a problem with the emissions controls.
The check engine light has nothing to do with an oil change. The check engine light is reset with a scan tool after repairing the failure that caused it.
Very carefully
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