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What does a flashing check engine light mean in a 1990 mercury grand marquis?
Wiki User
∙ 11y ago
A flashing check engine light means that an engine cylinder misfire has been
detected . You will need to have the vehicle scanned for any trouble codes
to help diagnose and then repair the problem . You can drive the vehicle in for
repair , just avoid any rapid acceleration or deceleration because you can
damage the catalytic converter
Wiki User
∙ 11y ago
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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
Why does my check engine light flash on a 1999 mercury mystique?
If your check engine light is flashing , an engine cylinder misfire has been detected
Where is the thermostat located on a 1990 Mercury Grand Marquis?
Check the engine end of the upper radiator hose
How do you turn off check engine light on a 1992 mercury grand marquis?
Have vehicle scanned to determine the problem
Check a starter for a 2000 Mercury Grand Marquis?
how to replace starter on 2000 mercury grand marquis
Why is the check engine light flashing in your 2003 Mercury Sable?
If the check engine light is flashing with the engine running that means that an engine cylinder misfire has been detected . You can still drive it in for repair , just avoid any rapid acceleration or deceleration because you can damage the catalytic converter
Why is your Nissan largo check engine light flashing?
The check engine light is flashing due to a problem with the emission system. I flashing check engine light usually indicates a random engine misfire.
Why are the Mercury Grand Marquis 1989 turn signals flashing too fast. Is is the flasher unit .?
I have a 1996 Grand Marquis. If one of the brake lights goes out the signal on that side flashes faster. I would check the brake/tail lamps.
Can you drive car with flashing check engine light?
It is not recommended. A flashing flashing check engine light is an indicator of a catalytic converter damaging misfire.
My check engine light has been flashing longer than usual is this bad?
A check engine flashing indicates an engine cylinder misfire
What does a Flashing check engine light on a 2003 F150 mean?
An engine cylinder misfire has been detected if your check engine light is flashing
