1.6

hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
108,000 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.

2007 Mercury Grand Marquis engine problems

engine problem

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2007 Mercury Grand Marquis Owner Comments

problem #1

Jul 102012

Grand Marquis

  • 108,000 miles

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

The contact owns a 2007 Mercury Grand Marquis. The contact stated the while attempting to start the vehicle, he heard a loud noise. The vehicle was taken to the dealer where the technician diagnosed that a spark plug had blown out of the engine head. In addition, the contact mentioned that the vehicle started to overheat without warning. The vehicle was taken to the dealer and the technician diagnosed that the thermostat was defective and needed to be replaced. The failure recurred and the vehicle was taken back to the dealer, who then advised that the intake manifold needed to be replaced. The manufacturer was made aware of the failure but did not offer any assistance. The vehicle was repaired. The failure mileage was 108,000 and the current mileage was 118,000.

- Centennial, CO, USA

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