2004 Mercury Grand Marquis Gs Sedan 4-door 4.6l on 2040-cars

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NHTSA and Ford investigating steering issues in Crown Vic, Grand Marquis and Marauder

There may be more steering woes for the Ford Crown Victoria. The National Highway Traffic Safety Administration has opened a preliminary evaluation into the Crown Vic and Mercury Grand Marquis from the 2004 to 2007 model years and the Mercury Marauder for the 2004 and 2005 model years because the steering shaft can jam. The issue could potentially affect an estimated 500,000 vehicles.
According to the regulator, there is a possibility that the driver's side heat shield for the exhaust manifold can rust, dislodge, and then wedge into the steering shaft. If this occurs, it leads to a situation where the driver can no longer control the car.
NHTSA has received five complaints of this happening, including one alleged case with an injury. In that situation, the car was driving onto the highway, lost control and rolled over. One occupant was hurt in the accident.

NHTSA investigating Ford's solution to May 2014 power steering recall

The National Highway Traffic Safety Administration is investigating a complaint that Ford's response to a May 2014 recall of the 2008 to 2011 Ford Escape and Mercury Mariner doesn't quite go far enough to solve a troubling power-steering problem. Roughly a year ago, Ford recalled nearly a million vehicles after it was found that a problem with the torque sensor's communication with the power steering control module could cut steering assistance for drivers. While manual steering would still be available, the problem was enough to ask drivers to report in to have the PSCM inspected, and if necessary, replaced (along with the torque sensor, or in dramatic cases, the entire steering column). That would only happen, though, if trouble codes were being thrown. If there weren't any problems, dealers were told to simply update the PSCM's software so that any issues between it and the torque sensor would simply throw a visual and audio warning – power steering would still be maintained. The petitioner claimed that following the recall work, he still experienced a problem with the torque sensor. According to NHTSA, a claim was made that Ford didn't go far enough in its solution to the problem, and that "the software update itself may in fact cause further issues with the affected vehicle's power steering, causing it to fail, and ultimately requiring replacement of the torque sensor or entire steering column." The petition was filed in early February and is now officially being looked into by NHTSA.

Junkyard Gem: 1992 Mercury Grand Marquis LS

We've all been seeing the instantly familiar Ford Crown Victoria P71 Police Interceptor on North American roads for what seems like forever, though in fact the very first of the aerodynamic Crown Vics didn't appear until a mere 31 years ago. Yes, after more than a decade of boxy LTD Crown Victorias, Dearborn took the late-1970s-vintage Panther platform and added a brand-new, Taurus-influenced smooth body and modern overhead-cam V8 engine, giving us the 1992 Ford Crown Victoria. The rule was, since 1939, that (nearly) every Ford model needed a corresponding Mercury, and so the Mercury Division applied different grille and taillights and the rejuvenated Grand Marquis was born. Here's one of the first of those cars to be built, now residing in a Denver-area self-service boneyard. The Marquis name goes respectably far back, to the late 1960s and a Mercurized version of the Ford LTD hardtop. The Grand Marquis began life as the name for an interior trim package on the 1974 Marquis Brougham (also LTD-based), eventually becoming a model in its own right for the 1979 model year. Today's Junkyard Gem came off the Ontario assembly line in March 1991, making one of the very first examples built. For 1992 (and through 2011), the Grand Marquis was a Crown Victoria with slightly enhanced bragging rights. This one has the top-grade LS trim, with an MSRP of $20,644 (that's about $44,370 in inflation-adjusted 2022 dollars). The corresponding Ford-badged model (built on the same assembly line by the same workers) would have been the Crown Victoria LX, which actually cost a bit more: $20,987 ($44,910 now). The very cheapest civilian 1992 Crown Vic cost just $19,563 ($42,045 today). There weren't any powertrain differences between the Crown Victoria and Grand Marquis in 1992. The only engine available was this Modular 4.6 SOHC V8, rated at either 190 (single exhaust) or 210 (dual exhaust) horsepower. The transmission was a four-speed automatic with overdrive. How many miles are on this one? Can't say! Based on the worn-out interior, I'm going to guess 221,719 miles passed beneath this car's wheels during its 32-plus years on the road. I've seen some very high-mile Police Interceptors, of course, including one with 412,013 miles, but Ford didn't go to six-digit odometers in the Grand Marquis until a bit deeper into the 1990s. Thanks to flawed speech-to-text applications on smartphones, the Grand Marquis is known as the "Grandma Keith" to many of us today.