firing order?

1992 MERCURY MARQUIS
230,000 MILES • V8 • 4WD • AUTOMATIC
Avatar
KENCO412
  • MEMBER
  • 1 POST
dual coil packs on this car, 2 cyl dead after tune up, by someone else. i think 2 wires may be crossed and i dont have any reference material. narrowed both cylenders to the right side coil pack, cyls 2 and 7 not firing.
Jun 14, 2009 at 2:51 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
Advertisement
Avatar
JDL
  • CAR REPAIR CONTRIBUTOR
  • 16,098 POSTS
Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.


https://images.2carpros.com/forum/automotive_pictures/170934_mercury_marquis_1.jpg

Hello, I found the above picture. Check out the images (below).
Image (Click to enlarge)
Attached Media
Jun 14, 2009 at 4:02 PM
Advertisement