2002 sable, 3.0 Duratec. Had a trouble code for cyl. 3 misfire. 75,000 miles and never a problem. New plugs, wires, coil pack and vacuum lines and fittings. Now 5, 6 misfire, actually no combustion.
10

Asked by northriverenergy May 09, 2015 at 04:00 AM about the 2002 Mercury Sable GS Sedan FWD

Question type: Maintenance & Repair

Changed crank pos. sensor, cam sens., 5 & 6 injectors, Intake plenum o-rings and
rotated plugs. Made sure I'm getting spark and still getting 5 & 6 misfire codes. In fact
engine is running rough and there is no difference if i disconnect 5 & 6 plug wires, yet an
noticeable difference w/ #4 wire pulled. What am I missing????!

4 Answers
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northriverenergy answered 8 years ago

Have more than triple checked wires, but it is possible the coil pack was wired improperly. I'll try it this evening and post the results.

Mark helpful
10

northriverenergy answered 8 years ago

In other words factory coil pack clockwise order is 465123, and the replacement order is 456123. Hadn't even considered this.

Mark helpful
10

northriverenergy answered 8 years ago

I don't know who the original owner was, It's my nieces car. But the original " motor craft" coil read:[from the front of the car position], left to right was 321, back was 465.

Mark helpful

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