2012 International Prostar Engine Problems
- Complaints
- 3about this part
- Share
- 50%of 6 total for the year
- Median mileage
- 14,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the engine of the 2012 International Prostar, 50% of the 6 complaints for this model year. Where a mileage was given, the median is 14,000 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.
“There are more affected parts than this allows me to select. Doors automatically lock intermittently while parked. Window does not close properly very poor fuel economy, average mpg around 5.2mpg many many coolant leaks fuel leaks oil leaks engine has just taken of and given a small boost in speed while in parking lot at 5 MPH after idling over night. Electronic gauges not working occasionally leveling valve constantly loosing adjustment on the suspension. Jack breaks are constantly not working up to par. Gas peddle extremely hot temp. Aprox 160 degrees. Took delivery of the truck end of oct. …”
NHTSA complaint #10558905, filed 2014-01, 14,000 miles“The EGR val the regen system the motor it self it broken two oil check tube when they was replace it was longer then the one broken it show more oil that was in the motor the motor began to knock there was prolem with this maxxforce motor from day one it broke down before I made it home I could not get any help from the dealer it cost me 16,000 thousand dollar to have it repaired”
NHTSA complaint #11040727, filed 2017-10Related service bulletins
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Engine: other model years
Other parts of the 2012 International Prostar
2 complaintsEngine cooling
1 complaintsEquipment
1 complaintsFuel system
1 complaintsOther or unknown
1 complaintsSuspension
1 complaints
← All problems reported for the 2012 International Prostar
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