Distributor and spark plug firing order needed?

2006 MERCURY MONTEREY
189,000 MILES • 4.2L • V6 • 2WD • AUTOMATIC
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DAVID HUNT2
  • MEMBER
  • 1 POST
I put new spark plugs in spark of wires and knowledge running rough. I've don't know what I did wrong. But can't find any illustrations on the firing order for this vehicle. Trying to trace each spark plug wire and make sure it's going to the right spot on the distributor cap.
Mar 30, 2025 at 8:40 AM
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STRAILER
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 54,178 POSTS
Sure, here is the engine firing order and a guide to help you trouble shoot the rough running.

https://www.2carpros.com/articles/repairing-engine-rough-idle-issues

Check out the images (below). Please let us know what happens.
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Mar 31, 2025 at 12:57 PM
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