1.6

hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
108,090 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2004 Mercury Grand Marquis engine problems

engine problem

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2004 Mercury Grand Marquis Owner Comments

problem #1

Jun 032010

Grand Marquis

  • 108,090 miles

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

2004 Mercury marquis 4.6 L engine. Spark plug blew out while driving, creating significant safety hazard because of loss of power and presence of combustible gasoline fumes. This is a safety hazard!

- Virginia Beach, VA, USA

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