Table 1 shows five common engine and engine cooling related problems of the 2006 Mercury Grand Marquis. The number one most common problem is related to the engine and engine cooling (four problems). The second most common problem is related to the manifold/header/muffler/tail pipe (three problems).
With only 30,000 miles, the fuel rail assembly corroded through, created a pin hole and sprayed fuel against the hood assembly and over the entire top of the engine. This occurred only 2 days after the vehicle had been repaired by Ford for the safety steering recall. Read details...
At 110000 miles my engine started to run very ruff,and would die out at an idle,took it to the dealer and was told it has a cracked plastick intake manifold. When I expressed my concern about putting another plastic part back on,I was told they have redesigned the part because of all the problems Read details...
My 2006 Mercury Grand Marquis LS premium car has an unresolved stalling issue. The problem is exacerbated when the car¿s engine warms up, especially during warmer weather. It tends to stall out at extended stoplights or if the vehicle needs to be stopped within a short distance. Read details...