1998 Expedition 5.4 misfires "stutters" upon mild acceleration and load
The truck displays the symptoms of bad coils but no codes have generated. Problem visible on scope as stutter (misfire) moves among the cylinders. Replaced all coils about 9 months ago. No spark plug carbon tracking. Ideas?
Did you replace the wires? How is you Fuel Pressure at Idle and at a Higher RPM?
No didn't replace the wires
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