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Fuel systemPart report

2005 Peterbilt 379 Fuel system Problems

Complaints
2about this part
Share
29%of 7 total for the year
Median mileage
225,500miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the fuel system of the 2005 Peterbilt 379, 29% of the 7 complaints for this model year. Where a mileage was given, the median is 225,500 miles. 1 a fire, 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.

“The contact stated while driving various speeds, fuel leaked from the fuel tank. There were no obvious road hazards. The vehicle was seen by a dealer for inspection. The dealer was unable to duplicate the problem.”

NHTSA complaint #10155615, filed 2006-04, 101,000 miles

“The contact owns a 2005 Peterbilt 379 tractor. While driving approximately 65 MPH on normal road conditions. There was a strong odor of fuel coming from outside of the vehicle. The fuel pressure gauge displayed fluctuated readings. The vehicle was able to continue in operation. Suddenly, the driver pulled over to the side of the road and exited the vehicle. The vehicle was engulfed in massive flames. The fire and police department were called to the scene. The vehicle was towed and completely destroyed. The failure mileage was 350,000. The VIN was unavailable. Updated 11/16/10.”

NHTSA complaint #10303048, filed 2010-01, 350,000 miles

Fuel system: other model years

YearComplaintsShare of year
2007117%
2005229%
1999240%

Other parts of the 2005 Peterbilt 379

Engine cooling
2 complaints
Transmission and drivetrain
2 complaints
Tires
1 complaints

← All problems reported for the 2005 Peterbilt 379

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