2014 Kenworth T680 Fuel system Problems
- Complaints
- 1about this part
- Share
- 10%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 1 complaints about the fuel system of the 2014 Kenworth T680, 10% 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.
“Apparently there is a failure of the fuel pump in most models of this cummins isx15 motor, tha when it does fail, shuts the truck down on highway, or worse, lik eit did to me....send metal shavings into the rest of the motor destroying the motor. There have been recalls for ceramic plungers, which I don't have...and recalls on many years this model was manufactured. …”
NHTSA complaint #11315835, filed 2020-03Related service bulletins
- 10232496Feb 24, 2023Certain Model Year 2021-2024 chassis with PACCAR MX engines and optional fuel filter restriction virtual gauge may display incorrect restriction levels. The virtual gauge will be…
Fuel system: other model years
Other parts of the 2014 Kenworth T680
4 complaintsEngine
3 complaintsElectrical system
2 complaintsTransmission and drivetrain
2 complaintsBrakes
1 complaintsElectronic stability control
1 complaintsSteering
1 complaintsVehicle speed control
1 complaints
← All problems reported for the 2014 Kenworth T680
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