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EnginePart report

2002 GMC Sierra Engine Problems

Complaints
3about this part
Share
1%of 249 total for the year
Median mileage
78,600miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the engine of the 2002 GMC Sierra, 1% of the 249 complaints for this model year. Where a mileage was given, the median is 78,600 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 2002 Gmc Sierra. The contact stated that 7 out of 8 glow plugs malfunctioned. The check engine warning light illuminated. The vehicle was taken to a dealer for diagnosis where the glow plugs were replaced. The manufacturer was notified but offered no assistance. The failure and current mileage was 41,649. ..updated 12/05/12 updated 12/06/2012”

NHTSA complaint #10481033, filed 2012-10, 41,700 miles

“The contact owns a 2002 Gmc sierria. The contact received notification of NHTSA campaign number: 15v201000 (engine and engine cooling); however, the part needed to perform the repair was unavailable. The contact stated that the manufacturer exceeded a reasonable amount of time for the recall repair. The manufacturer was notified of the issue. The contact had not experienced a failure. Vin tool confirms parts not available.”

NHTSA complaint #10825550, filed 2016-02

Related service bulletins

Engine: other model years

YearComplaintsShare of year
201747%
201524%
201488%
201338%
2012517%
2011716%
201026%
200938%
200811%
200723%
200587%
200453%
200331%
200231%
200110%
200010%
199710%

Other parts of the 2002 GMC Sierra

Brakes
145 complaints
Engine cooling
22 complaints
Transmission and drivetrain
18 complaints
Body and structure
17 complaints
Steering
12 complaints
Suspension
12 complaints
Tires
10 complaints
Electrical system
6 complaints
Visibility (wipers, defrost, mirrors)
6 complaints
Other or unknown
4 complaints
Seat belts
4 complaints
Vehicle speed control
4 complaints

← All problems reported for the 2002 GMC Sierra

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