2005 F150 Bucks at 40-50 mph mis-fire??
10-22-2012, 10:12 PM
#11
I was told my a good mechanic to change the coil pack boots 1st if there's no code. He says the rubber deteriorates from the heat and causes the spark to arch out of the boot, causing a miss. It's cheaper than changing out coils that might not be bad.
