+18 200 Grand Marquiss 4.6 Check Engine Light Flashing 2023. Web tonight while driving the car on the expressway, the check engine light started flashing, but it would only start flashing when i got to about 80 mph, then it would stop. Web hi, i have a 2000 mercury grand marquis 4.6 v8 fi sohc 16 valve.
If you have a flashing check engine light, turn off the engine immediately to prevent potential motor damage. Web hi, i have a 2000 mercury grand marquis 4.6 v8 fi sohc 16 valve. Web tonight while driving the car on the expressway, the check engine light started flashing, but it would only start flashing when i got to about 80 mph, then it would stop.
