4.0

definitely annoying
Typical Repair Cost:
$60
Average Mileage:
63,000 miles
Total Complaints:
1 complaints

Most common solutions:

  1. replace IAC (idle air control) valve (1 reports)
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problem #1

Jun 202007

Grand Marquis GS 4.6L

  • Automatic transmission
  • 63,000 miles

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.

- zorg, Mulvane, KS, US

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