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To reset the check engine light on a 1998 Mercury Marquis, you can disconnect the negative battery terminal for about 15 minutes. This will clear the engine codes stored in the computer. Alternatively, you can use an OBD-II scanner to erase the codes if you have access to one. However, if the underlying issue causing the light to illuminate is not resolved, the light may come back on.
What else can I help you with?
Where is the thermostat located on a 1990 Mercury Grand Marquis?
Check the engine end of the upper radiator hose
Check a starter for a 2000 Mercury Grand Marquis?
how to replace starter on 2000 mercury grand marquis
How do you turn off check engine light on a 1992 mercury grand marquis?
Have vehicle scanned to determine the problem
How do you reset check engine light on mercury mountaineer?
Try disconecting the battery for 5 min.s and reconecting.
How do you reset check engine light on a 1994 mercury villager?
The easiest way is to unhook the battery for a minute.
How 97 Mercury Grand Marquis spark plug gap?
On a 1997 Mercury Grand Marquis : Check the Vehicle Emission Control Information ( VECI ) decal in the front of the engine compartment , for the type of spark plug used and the spark plug gap
Could a 1998 mercury grand marquis be driven without a catalytic converter?
You can but the check engine light will remain on and it won't pass an emissions test.
Why does 99 mercury grand marquis run rough check engine light on?
The check engine light indicates that the computer has detected a "fault". Use a code scanner to find out what the computer has detected, that is PROBABLY the reason the engine is running poorly.
How to troubleshoot a check engine light on a 1998 Mercury Villager?
Have vehicle scanned to determine the problem
How do you reset the check engine light on a 2000 mercury villager?
You either need a scan tool, or unhook the battery for a minute.
WHy is the check engine light on in a Mercury Grand Marquis?
The check engine light comes on and stays on when a problem is detected by the self diagnosis system of your vehicle. Generally, a check engine light is lit when there is a problem in the emissions or somthing that is affecting the effectiveness of the emissions. If the check engine light is flashing a misfire has been detected
What to check when check engine light in a 1992 mercury grand marquis?
The check engine light comes on and stays on when a problem is detected by the self diagnosis system of your vehicle. Generally, a check engine light is lit when there is a problem in the emissions or somthing that is affecting the effectiveness of the emissions. If the check engine light is flashing a misfire has been detected
