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Vehicle speed controlPart report

1987 Mercury Grand Marquis Vehicle speed control Problems

Complaints
7about this part
Share
16%of 43 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 7 complaints about the vehicle speed control of the 1987 Mercury Grand Marquis, 16% of the 43 complaints for this model year. 2 of these say a crash was involved, according to the filers.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“Vehicle suddenly accelerated from park to drive. Vehicle not in reverse when it took off. Gear still in neutral. Had to release brakes. Called dealer & will have vehicle totaled. Was told throttle cable gone.”

NHTSA complaint #826519, filed 1998-08

“When the brakes were applied the vehicle accelerated suddenly, causing the vehicle to collide into two trees. The driver sustained minor injuries. The vehicle was totaled. The manufacturer has been notified.”

NHTSA complaint #828011, filed 1998-09

Vehicle speed control: other model years

YearComplaintsShare of year
2010312%
2009415%
20081519%
20071314%
20063726%
2005398%
2004237%
2003277%
20021722%
20012717%
2000138%
1999127%
199896%
1997248%
1996198%
19952313%
19943321%
19931913%
19923112%
19911215%
1990916%
19891424%
19881216%
1987716%
198615%
1985419%
1984427%
1983114%

Other parts of the 1987 Mercury Grand Marquis

Electrical system
19 complaints
Seat belts
6 complaints
Engine cooling
5 complaints
Fuel system
2 complaints
Wheels
2 complaints
Equipment
1 complaints
Exterior lighting
1 complaints
Steering
1 complaints
Body and structure
1 complaints
Tires
1 complaints
Transmission and drivetrain
1 complaints

← All problems reported for the 1987 Mercury Grand Marquis

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology