well I unplugged the battery, change the fuel filter, added a bottle of octane booster, connect the battery after 30 minutes and everything is fine now, runs smooth and powerful. Jump on the highway and put on about 120 miles. No CEL or stumbles or miss. Thanx everyone for their help.
Hi Folks
I just recently acquired a 98 Expedition 5.4 2WD. It had a misfire in Cyl #1 , #5 .It has 195k miles, I did a tune up using Ford spark plugs lugs and replaced all the boots and springs on the coil and replaced 2 bad COP. It runs great when it been sitting for a while or cold and...
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