VehicleVerdict

1997 Mercury Mountaineer speed control problems

The 1997 Mercury Mountaineer has 59 speed control complaints filed with NHTSA — 15% of the year's total, and up sharply from the prior model year.

59

Speed Control complaints

15%

Share of year

18

Crash-involved

3

Related recalls

Speed Control complaints by year

Mountaineer speed control complaints by model year59 complaints1996: 1 complaints1997: 59 complaints1998: 40 complaints1999: 12 complaints2000: 28 complaints2001: 2 complaints2002: 18 complaints2003: 10 complaints2004: 21 complaints2005: 13 complaints2006: 3 complaints2007: 7 complaints2008: 2 complaints2009: 1 complaints2010: 4 complaints
Mountaineer speed control complaints by model year. Red bars are years to avoid.

Related recalls

09V399000Speed ControlOctober 13, 2009 · 4,500,000 units

Defect

FORD IS RECALLING MODEL YEARS 1995-2003 WINDSTAR, 2000-2003 EXCURSION DIESEL, 1993-1997 AND 1999-2003 F-250 SD THROUGH F-550 SD DIESEL, 1992-2003 E-150 THROUGH E-550, 1995-2002 EXPLORER, 1997 AND 2002 MERCURY MOUNTAINEER, 1995-1997 AND 2001-2003 RANGER, AND 1994 F53 VEHICLES EQUIPPED WITH THE TEXAS INSTRUMENTS SPEED CONTROL DEACTIVATION SWITCH (SCDS). THE SCDS MAY LEAK INTERNALLY AND THEN OVERHEAT, SMOKE, OR BURN.

Consequence

A VEHICLE FIRE COULD OCCUR WITH OR WITHOUT THE ENGINE RUNNING.

Remedy

FORD WILL NOTIFY OWNERS THAT DEALERS WILL INSTALL A FUSED WIRING HARNESS IN LINE WITH THE SCDS. ON 1999-2003 WINDSTAR VEHICLES WITH A LEAKING SCDS, DEALERS WILL ALSO INSPECT THE ABS CONTROL MODULE CONNECTOR AND REPAIR AS NECESSARY. REPAIRS WILL BE COMPLETED FREE OF CHARGE. THE SAFETY RECALL BEGAN ON OCTOBER 27, 2009. OWNERS MAY CONTACT FORD AT 1-888-222-2751.

00V422000Speed ControlDecember 27, 2000 · 220,000 units

Defect

VEHICLE DESCRIPTION: SPORT UTILITY VEHICLES EQUIPPED WITH 4.0L SOHC ENGINES AND STILL RETAIN THE ORIGINAL THROTTLE BODY (PART NUMBERS 97JF-9E926AB OR 97JF-9E926-AC). SOME OF THE ORIGINAL THROTTLE BODIES INSTALLED ALLOWED A GAP BETWEEN THE PLATE AND BORE TO BE BUILT TOO NARROW. THIS REDUCED CLEARANCE ALLOWED THE ENGINE DEPOSITS NORMALLY PRESENT IN THE THROTTLE BODY TO CONTACT OR BRIDGE THE GAP. IF THE ENGINE DEPOSITS BRIDGED THE GAP BETWEEN THE THROTTLE PLATE AND BORE AND THEN HARDENED, ON THE INITIAL APPLICATION OF THE ACCELERATOR PEDAL AFTER THE ENGINE HAS COOLED, THE OPERATOR WOULD NEED TO APPLY ADDITIONAL FORCE TO THE ACCELERATOR PEDAL TO BREAK THE BRIDGE.

Consequence

THIS COULD RESULT IN ENGINE SURGE WHEN THE ACCELERATOR PEDAL BREAKS FREE.

Remedy

DEALERS WILL REPLACE THE ORIGINAL THROTTLE BODIES.

97V074000Speed ControlApril 30, 1997 · 23,000 units

Defect

VEHICLE DESCRIPTION: MULTI-PURPOSE PASSENGER VEHICLES EQUIPPED WITH 5.0L ENGINES ORIGINALLY SOLD OR CURRENTLY REGISTERED IN THE STATES OF ALASKA, IDAHO, IOWA, MAINE, MICHIGAN (UPPER PENINSULA ONLY), MINNESOTA, MONTANA, NEBRASKA, NEW HAMPSHIRE, NEW YORK, NORTH DAKOTA, SOUTH DAKOTA, VERMONT, WISCONSIN, AND WYOMING. THESE VEHICLES, WHEN OPERATED FOR EXTENDED PERIODS OF TIME AT HIGHWAY SPEEDS AND TEMPERATURES BELOW -20 DEGREES FARENHEIT, DO NOT RETURN TO IDLE DUE TO ICE IN THE THROTTLE BODY.

Consequence

ALTHOUGH THE VEHICLE CAN BE CONTROLLED BY EITHER APPLYING THE SERVICE BRAKES OR SHIFTING THE TRANSMISSION TO NEUTRAL, INCREASED BRAKE PEDAL EFFORTS OR SOME INCREASE IN STOPPING DISTANCE CAN RESULT.

Remedy

DEALERS WILL INSTALL A REVISED PCV SYSTEM WITH WATER HEATED VACUUM SOURCE.

What owners report

WHEN BRAKES APPLIED THE VEHICLE SUDDENLY ACCELERATED, CAUSING THE VEHICLE TO COLLIDE WITH ANOTHER . OWNER STATES THAT IN ORDER TO STOP THE VEHICLE, SHE HAD TO STAND ON THE BRAKES. HAD TO PUT THE VEHICLE IN PARK TO STOP THE ENGINE FROM RACING. THE DEALER HAS THE VEHICLE . *AK

Complaint filed with NHTSA · Speed Control · October 14, 1997 · crash

Common questions

How many speed control complaints does the 1997 Mercury Mountaineer have?

NHTSA has 59 complaints about the 1997 Mercury Mountaineer speed control — 15% of all complaints filed for that model year.

Are there recalls for the 1997 Mercury Mountaineer speed control?

Yes — 3 NHTSA recall campaigns for this model year are tied to the speed control: 00V422000, 09V399000, 97V074000.

Related

Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.

Compiled by Sharon Ben-Moshe, Founder.