2000 Mercury Grand Marquis Mercury Grand Marquis 2000

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2000 Mercury Grand Marquis repairs by problem area

Engine (42%)

Transmission and Drivetrain (16%)

Brakes and Traction Control (10%)

Suspension and Steering (26%)

Electrical and Air Conditioning (3%)

Paint, Rust, Leaks, Rattles, and Trim (0%)

Other (3%)

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Chart based on 31 repairs.
See TSBs and recalls for the 2000 Mercury Grand Marquis.

2000 Mercury Grand Marquis engine repair cost distribution

$2500+ (0%)

$1000 - $2499 (0%)

$500 - $999 (8%)

$100 - $499 (69%)

< $100 (23%)

Chart based on 13 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2000 Mercury Grand Marquis

Engine not specified

136000 mi

US $200
75100 mi

US $20
misfiring and stuttering while driving. replaced spark plugs, didn't help. Ordered TOSP coils from Amazon for $45. 
78000 mi

US $45
replaced top of spark plug coils, all is fine now. 

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2000 Mercury Grand Marquis 4dr Sedan

215-horsepower 4.6L V8 4-speed automatic RWD

159000 mi

US $300
Intake manifold developed hairline crack. Replaced intake manifold. 
170000 mi

US $100
Misfire. Water in plug well, replaced plug boots and two coils. 
176000 mi

US $150
Bad idle, replaced IAC, didn't solve problem. Traced issue down to malfunctioning coil-on-plug. 
177000 mi

US $150
Bad coil, same one replaced again. 
151800 mi

US $100
Heater core leaking, had to remove dash and replace inexpensive part. Labor was insane, glad to have a friend to help. 
177000 mi

US $230
Install two (2) new mufflers 

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2000 Mercury Grand Marquis 4dr Sedan

200-horsepower 4.6L V8 4-speed automatic RWD

68000 mi

US $50
Replaced faulty IAC valve 
102000 mi

US $100
Factory all plastic intake manifold was replaced at 100k miles, had no signs of failure, repair was preventative maintenance. 
87000 mi

US $107
Belt tensioner pulley failing; was replaced. 
106200 mi

US $900
Oil gauge showing no oil pressure. Oil pressure sensor/switch replaced. 

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See TrueDelta's information for all Mercury models.

2000 Mercury Grand Marquis Engine Problems

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2000 Mercury Grand Marquis problems occur, check out our car reliability stats.