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The check engine light (service engine soon) comes on and stays on when a problem is detected by the self diagnosis system of your vehicle. Generally, the problem is in the emissions or something that is affecting the effectiveness of the emissions, but other causes can trigger the light to come on, too. To determine the cause, the vehicle will need to be taken to AutoZone or a shop that has an OBD2 scanner, or for 1995 and earlier models, an OBD1 scanner, While a scanner will not give you the magic answer, it will give you a code that narrows down the problem area.
What else can I help you with?
Where is location of check engine light 1997 mercury mountaineer?
The check engine light is just to the left of your battery voltage gauge in your gauge cluster . When you turn your ignition key to the run position , just before starting your engine , the check engine light should come on momentarily to check the bulb
Does the check engine light come on because your gas is halfway full?
No, the check engine light does not come on because your gas is half way full. The check engine light will come on if there is a problem with the engine.
Why does the check gauge light come on on the 2002 Mercury mountaineer?
On a 2002 Mercury Mountaineer : The " check gage " light comes on if the engine coolant temperature is too high , the engine oil pressure is too low , or the gas gauge is at or near empty
How do you reset the check engine light in a 2001 Mercury Cougar?
With an OBD2 scan tool. The problem must be repaired or the light will just come back on.
Check engine light won't come on?
If an check engine light does not come on it is a good thing. When your check engine light comes on, it means you need service done on your vehicle.
Will the check engine light come on if you take the seats out of a 2005 Hyundai elantra?
No the check engine light will not come on
Will the check engine light come on with no oil in the car?
No, the check engine light has nothing to do with the oil level in the vehicle. The check engine light will come on when there is a problem with the emission system. The red oil warning light will come on if your vehicle is low on oil.
Would light come on if problem with catalytic converter?
If it has a downstream O2 sensor the check engine light will come on but if it does not the light may not come out. In most instances it will set the check engine light.
Reset check engine light 98 mercury marquis?
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.
Check engine light will not come on?
95 s10 blazer has a miss and check engine light does not come on and exhaust smells gassy what could it be
1995 Mercury Grand Marquis Reset check engine light?
To reset the check engine light on a 1995 Mercury Grand Marquis, you can disconnect the battery by removing the negative terminal for about 10-15 minutes. This will clear the vehicle's computer and reset the check engine light. Alternatively, you can use an OBD-I scanner to clear the codes. However, it's important to address any underlying issues that caused the light to come on to ensure proper vehicle function.
Why do a check engine light come on in a 96 Bonneville?
There are lots of different reasons a check engine light can come on does the car feel any different?
