4.0

definitely annoying
Typical Repair Cost:
$55.00
Average Mileage:
63,000 miles
Total Complaints:
1 complaints

Most Common Solutions:

  1. replace IAC (idle air control) valve (1 reports)
2000 Mercury Grand Marquis engine problems

engine problem

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2000 Mercury Grand Marquis Owner Comments

problem #1

Jun 202007

Grand Marquis GS 4.6L

  • Automatic transmission
  • 63,000 miles

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

Car died once or twice at idle, also had a significant "foghorn" sound at almost all times while engine running. Replaced IAC valve to solve issue.

- , Mulvane, KS, USA

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