NHTSA — Engine Problems

1.0

hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
178,000 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.

2003 Mercury Grand Marquis engine problems

engine problem

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2003 Mercury Grand Marquis Owner Comments

problem #1

Jan 202016

Grand Marquis

  • 178,000 miles

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

The contact owns a 2003 Mercury Grand Marquis. The contact stated that there was an abnormal noise coming from the engine and the check engine warning indicator illuminated. The vehicle was taken to an independent mechanic where it was diagnosed that the number two cylinder spark plug misfired and the head of the motor needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was approximately 178,000.

- Lima, OH, USA

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