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 9 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
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northriverenergy answered 9 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 9 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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