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Engine coolingPart report

1991 Isuzu Impulse Engine cooling Problems

Complaints
5about this part
Share
20%of 25 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 5 complaints about the engine cooling of the 1991 Isuzu Impulse, 20% of the 25 complaints for this model year. 1 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.

“This is the 2nd Impulse that I have owned, and I thought it would only happen to my first one, but this one is the same way. When it gets warm out, the engine has idling problems. Then other Impulse I had (1990) did it from day 1 at 55000 miles.”

NHTSA complaint #723786, filed 2000-06

Engine cooling: other model years

YearComplaintsShare of year
1991520%

Other parts of the 1991 Isuzu Impulse

Electrical system
9 complaints
Vehicle speed control
7 complaints
Other or unknown
4 complaints
Exterior lighting
1 complaints
Latches, locks and linkages
1 complaints

← All problems reported for the 1991 Isuzu Impulse

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 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