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Engine coolingPart report

2008 Kia RIO Engine cooling Problems

Complaints
2about this part
Share
4%of 46 total for the year
Median mileage
69,200miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the engine cooling of the 2008 Kia RIO, 4% of the 46 complaints for this model year. Where a mileage was given, the median is 69,200 miles.

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.

“The contact owns a 2008 Kia RIO. The contact stated that while driving 45 MPH, the vehicle stalled and the check engine light illuminated. The contact drove home and noticed that the splash guard under the vehicle had melted. The vehicle was towed to an authorized dealer who stated that two coil packs failed which caused the engine to pump raw fuel into the exhaust system. Both the coil packs and catalytic converter were replaced. The failure mileage was approximately 69,200.”

NHTSA complaint #10365462, filed 2010-11, 69,200 miles

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
201814%
201634%
201548%
201332%
201212%
200913%
200824%
200724%
200668%
20051232%
20041232%
20031926%
20023930%
20015223%

Other parts of the 2008 Kia RIO

Air bags
27 complaints
Brakes
5 complaints
Engine
3 complaints
Vehicle speed control
3 complaints
Equipment
2 complaints
Exterior lighting
2 complaints
Fuel system
2 complaints
Suspension
2 complaints
Transmission and drivetrain
2 complaints
Electrical system
1 complaints
Electronic stability control
1 complaints
Other or unknown
1 complaints

← All problems reported for the 2008 Kia RIO

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 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