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The contact owns a 2003 Mercury Grand Marquis. The contact stated there was an abnormal noise from the rear axle. The dealer was unable to diagnose the failure yet the failure persisted.The 2003 Mercury Grand Marquis has 1 problems reported for high fuel pressure code. Average failure mileage is 150,000 miles. CarComplaints.com: Car complaints, car problems and defect information.Popular Answer. EATC module malfunction suspected.... That's the control unit in dash. *Hands-on* testing by qualified personnel is required. Heater blows cold air only. Both heater hoses from heater core are hot. | Find answers to your 2003 Mercury Grand Marquis question from certified mechanics and auto experts.Bump the Grand Marquis problem graphs up another notch. 2003 Mercury Grand Marquis steering problems with 30 complaints from Grand Marquis owners. The worst complaints are steering clunks ...A tried and true trick to try with a power window that won't go up is to press your palm against the glass and "help" the window up while pushing the button. If there is any life left in the motor at all, this may be enough to get it back up. If only the rear windows aren't working, there is a lock out switch on most vehicles.1 Steering problem of the 2004 Mercury Grand Marquis. Failure Date: 07/14/2023. The contact owns a 2004 Mercury Grand Marquis. The contact stated that while driving at an undisclosed speed, the steering wheel was loose and made an abnormal sound while turning. The vehicle was taken to an independent mechanic, who diagnosed that the steering ...20. Asked by Cbucklew May 11, 2019 at 09:12 PM. Question type: Maintenance & Repair. Recently noticed that my tail lights and overhead. light was not working after research figured it was. lcm module purchased the repair kit got it on and. everything was good but it is not staying properly. connected even after zip tied and duct taped any.2 Electrical System problem. Failure Date: 01/01/2024. The contact owns a 2003 Mercury Grand Marquis. The contact stated that the headlights and taillights were inoperable, and the trunk failed to open. Additionally, all the doors failed to manually lock, and while utilizing the key fob, the door locks were inoperable.Investigations 4. TSBs 52. Lemon Law. Worst 2005 Mercury Grand Marquis Problems by Category. Find something helpful? Spread the word. 21.9k. Click on a category below for …04 grand marquis no crank . Hey everyone ! Im new to the forum and have I've come across a problem with my 2004 mercury grand marquis LS . i have a random intermittent once in a blue no crank issue that leaves the car useless . i have replaced the stater with a factory motorcraft starter , i still had a no start . then after some searching ...How to fix a stiff steering shaft in a 98-03 Crown Vic and Grand Marquis.2003 Mercury Grand Marquis engine problems with 45 complaints from Grand Marquis owners. The worst complaints are engine blown, engine misfires, and engine smokes on startup.1 Tail Light Switch problem of the 2003 Mercury Grand Marquis. Failure Date: 08/11/2020. The vehicle suddenly had no brake lights or tail lights, then, it had brake lights and tail lights, then, the vehicle would not start, despite having a new battery. After much investigation and work, our certified mechanic feels that the lighting module is ...Top 2007 Mercury Grand Marquis Problems. Intake Manifold May Crack Leaking Coolant Behind the Alternator. 265 people have reported this. 133. Spring in Seat Belt Buckle May Fail. 141 people have reported this. 64. Transmission Failure Common Due to Front Pump Failure. 137 people have reported this.Mileage: 101,105 miles MPG: 16 city / 24 hwy Color: White Body Style: Sedan Engine: 8 Cyl 4.6 L Transmission: Automatic. Description: Used 2011 Mercury Grand Marquis LS with Rear-Wheel Drive, Bench Seat, Leather Seats, Keyless Entry, Alloy Wheels, 17 Inch Wheels, Heated Mirrors, and Independent Suspension. More.Popular Answer. EATC module malfunction suspected.... That's the control unit in dash. *Hands-on* testing by qualified personnel is required. Heater blows cold air only. Both heater hoses from heater core are hot. | Find answers to your 2003 Mercury Grand Marquis question from certified mechanics and auto experts.1999 Mercury Grand Marquis electrical problemsa heater valve or actuator is malfunctioning. No 1 Tail Light Switch problem of the 2003 Mercury Grand Marquis. Failure Date: 08/11/2020. The vehicle suddenly had no brake lights or tail lights, then, it had brake lights and tail lights, then, the vehicle would not start, despite having a new battery. After much investigation and work, our certified mechanic feels that the lighting module is ...Cruise control not working? Here's a quick, easy & cheap fix for button problems. A Virgo born August 23, symbolized by the Scales, has a mercurial, drivetrain problems NHTSA: 3. transmission problems NHTSA: 2. suspension problems NHTSA: 2. miscellaneous problems NHTSA: 1. windows / windshield problems NHTSA: 1. The 2007 Mercury Grand Marquis has 124 problems & defects reported by Grand Marquis owners. The worst complaints are body / paint, engine, and electrical problems. The Marquis is an example of a custom car with mostly fabricated parts

I have a 2003 Mercury Grand Marquis and my LCM started failing at 69K miles, so I think that pretty much rules out any effect law enforcement use has on the problem. Currently I am trying to figure out what to buy to put my headlights on external relays after I fix the LCM. The LCM internal relays will continue to blow if the load isn't relocated.miles. 2005 Grand Marquis recall notice on your vehicle, it may be possible that the upper intermediate steering shaft was serviced incorrectly during previous repairs for safety recall 13S08 or ...The most common reasons a 2003 Mercury Grand Marquis cruise control isn't working are failed control module, sensor or switch issues, or throttle actuation problems. 0 %. 10 % of the time it's the. Control Module. 0 %. 10 % of the time it's the. Sensor. 0 %. 80 % of the time it's the.Become a Fan & Spread the Word. 2001 Mercury Grand Marquis exhaust system problems with 2 complaints from Grand Marquis owners. The worst complaints are intake manifold cracked, engine and engine ...

Mercury Grand Marquis Bad Wheel Bearing Diagnosis. Test Drive - The best way to diagnose bearing noise in your Grand Marquis is to take it for a drive. You'll be looking to hear the hum increase as the speed picks up. Jack and Wiggle - With your Grand Marquis on jack stands, you'll want to look and see if the wheel is wiggling at the ...The 2003 Mercury Grand Marquis has 1 problems reported for fan only works on high. Average failure mileage is 200,000 miles. CarComplaints.com: Car complaints, car problems and defect information.…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. Mercury Mechanic: Ron. The 2001 does have a w. Possible cause: I thought the office was haunted. The piercing whine of a cat, or a baby, coming through.