IllustrationWHILE DRIVING 40 MPH THROTTLE REMAINS OPEN, CAUSING UNATTTENDED ACCELERATION. CAUSE UNKNOWN. PLEASE GIVE ANY FURTHER DETAILS. *AK
1996 Mercury Mountaineer
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →How this year compares
Owner complaints by model year
Compare all Mountaineer years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 0 of 3 reports include usable mileage. There isn’t enough coverage to show a useful chart.
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Tires. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Vehicle Speed Control. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
0 crash reports0 fire reports0 injury reports
Vehicle Speed Control complaints
1 reportsOfficial recalls
197V074000 · Vehicle Speed Control
Apr 30, 1997
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 & remedy
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.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.