Having problems with your 2004 Mercury Sable ?
How do you find out which coil is bad on a 2004
\015 How do you find out which coil is bad on a ford 2004 3.0l duratec engine?\015\012\015\012at idle you can feel the engine misfire.\015
U must check each resistance by unplugging the cable which is connected to the coil then compare the resistance for each coil with the standard one.\015\012\015\012also check if there is little broken lines which allow the amplification to be loosen
You pull the plug wire off of the spark plug and arc it to an exposed bolt (Without paint on it) And whichever wire doesn't arc follow it back to the coil.
Repair Help & Product Troubleshooting for 2004 Mercury Sable
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