Skip to content
Vehicle speed controlPart report

1989 Isuzu I Mark Vehicle speed control Problems

Complaints
2about this part
Share
20%of 10 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the vehicle speed control of the 1989 Isuzu I Mark, 20% of the 10 complaints for this model year.

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.

“Erratic idle, idle revving and dropping, idle dipping often with engine dying, idle hanging high above 2,000 RPM, and engine dying or stalling for no reason with no trouble codes”

NHTSA complaint #758960, filed 2002-03

“Engine revs up to 2500 rpms while in neutral, then when it's put into gear it will stall out. Mechanic says its the ecu. Problem is hard to duplicate.”

NHTSA complaint #841753, filed 1999-07

Vehicle speed control: other model years

YearComplaintsShare of year
1989220%

Other parts of the 1989 Isuzu I Mark

Electrical system
4 complaints
Engine cooling
2 complaints
Other or unknown
2 complaints
Brakes
1 complaints
Seat belts
1 complaints
Transmission and drivetrain
1 complaints

← All problems reported for the 1989 Isuzu I Mark

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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