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Disconnecting the power to the car, or computer for any length of time will not reset the check engine light, or service needed lights. The memory for these lights is stored in non-volatile memory of the computer in the car.
In an OBDI or an OBDII system you must access the computer to reset these lights.
As a suggestion if you have a local autoparts store they sometimes have a �Loan a Tool� program where you can rent a cheap computer access tool (This is not an endorsement, but I know Autozone rents this tool for both systems).
If after resetting this light, it returns then you will need to correct the problem before it can be properly reset.
What else can I help you with?
How do you reset a service engine light on a 2003 range rover?
reset service engine light
How Do you reset the Engine Service light on a 1996 Infiniti I30?
A reset Engine Service Light comes on when an issue comes up with in the engine. This light can be reset by a tech or by fixing the problem.
How do you correctly reset engine light Ford Fusion?
What engine light. If you are referring to the Check Engine light then reset it with an OBD2 scan tool after the problem is repaired.
How do you reset engine Light on 1991 Volvo 240 DL?
how do you reset engine light on 1991 volvo 240
How do you reset engine light in 2008 buick lucerne?
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How do you reset check engine light on Jeep Liberty diesel?
How do you reset engine light on jeep liberty diesel
How do you reset the check engine light on a 2008 Chrysler Sebring?
The check engine light is reset with a scan tool after repairing the cause of the fault.The check engine light is reset with a scan tool after repairing the cause of the fault.
How do you reset the check engine light on 2007 dodge with cummins engine?
You reset the check engine light with a scan tool after repairing the failure.
How do you reset the check engine light on a 1999 volkswagen jetta?
The check engine light has to be reset with a OBD scan tool
How do you reset the maintenance-engine oil light on a 2009 Nissan Murano?
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How do you reset service engine soon light on a 2003 325i BMW?
reset service engine light on BMW 325
How do you reset the check engine light in a land rover discovery?
hoe do you reset the check engine light in a 1995 land rover
