Spark Plugs Stuck In Head

CarComplaints.com Seal Of This Might Hurt

8.0

pretty bad
Typical Repair Cost:
No data
Average Mileage:
80,000 miles
Total Complaints:
1 complaints

Most Common Solutions:

  1. replace spark plugs (1 reports)
2004 Mercury Mountaineer engine problems

engine problem

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2004 Mercury Mountaineer Owner Comments

problem #1

Jun 022015

Mountaineer 4.6L V8

  • Automatic transmission
  • 80,000 miles

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

Very poor head design. The engineers had to have the foresight to know this problem would arise after the vehicle is out of warranty. The plugs do not require replacement until 100k. By then the spark plugs are well on their way to becoming seized in the head making replacement very expensive and time consuming.

- , Dunedin, FL, USA

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