coil #6 replaced 98 ford expedition still lags when driving

Asked by Dec 02, 2013 at 10:30 AM about the Ford Expedition

Question type: Maintenance & Repair

No check engine light, when driving peridocly shakes or feels like its
starving for something. Check engine light was on b4 mechanic
scaned got code for something#6coil pack nothing else. Car still
shakes , any ideas?

4 Answers

take #6 coil out and check spark plug may b cracked

or could b bad coil replace it its about 20 bucks

2,625

change coil packs around to see the miss follows then change coil also look for dry rotted boots. that was my problem 6 buck each they sell them separate and it runs great for a yr now. hope it helps...

On my '97 I had same problem. I had to replace 2 coils, 2 plugs (all replaced in the end) new Exhaust manifold (broken bolts on one side) and cat converters replaced (one side, one straight and one 45 degree). Runs smooth again but I have a feeling next year the other side will go. Clogged cat converters maybe giving you rough acceleration and shaking. I love that machine so I thought it was worth the investment. All the best.

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