Broken Spark Plugs Inside Intake Manifold

6.0

fairly significant
Typical Repair Cost:
$500
Average Mileage:
89,600 miles
Total Complaints:
1 complaints

Most Common Solutions:

  1. requires special toll to remove the broken plugs (1 reports)
2006 Mercury Mountaineer engine problems

engine problem

Find something helpful? Spread the word.
Get notified about new defects, investigations, recalls & lawsuits for the 2006 Mercury Mountaineer:

Unsubscribe any time. We don't sell/share your email.

2006 Mercury Mountaineer Owner Comments

problem #1

Dec 032015

Mountaineer Premier 4.6L V8

  • Automatic transmission
  • 89,600 miles

A D V E R T I S E M E N T S

This is due to a poor 3 valve design. The carbon builds up on the extended tube of the spark plug that extends into the intake manifold, sticks, and breaks off in the intake manifold. Ford has a class action suit regarding this problem.

- John D., Colorado Springs, US

Send Comment Add Complaint

Not what you are looking for?