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Engine coolingPart report

2002 GMC Sonoma Engine cooling Problems

Complaints
4about this part
Share
7%of 57 total for the year
Median mileage
35,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 4 complaints about the engine cooling of the 2002 GMC Sonoma, 7% of the 57 complaints for this model year. Where a mileage was given, the median is 35,000 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.

“In dec. Of 2003 the check engine light came on, so we took it in only to find we had oil in our radiator. At a cost of $800.00 we had it repaired. Well in sept. Of 2004 we saw something leaking from the vehicle, and again we have oil in our radiator.”

NHTSA complaint #10090723, filed 2004-09, 35,000 miles

“Check engine light on was told air injector valve oper/solenoid replace. Drove 800 miles, took emissions test failed. Showed no codes. Was told by tech to try driving 100 miles. Or take to dealer, took to dealership charged diagnostic fee. Was told by them to drive 100 miles. Drove 150 returned next day. Still the codes are not showing. Want me to drive another 150 miles. Two codes are not showing. Took back to emissions provider, they showed me it was the 02 sensor and last test on the obd computer. I don't remember the name. …”

NHTSA complaint #10140886, filed 2005-10, 49,300 miles

“Noticed a pull on the vehicle and noticed engine had stopped I was driving on the interstate going 285 north about 60 miles per hour. Had just turned on the air conditioner. Was able to coast and safely pull over to the exit. Engine would turn but not start. Had to be towed to dealership. Was safe because it was saturday afternoon, no traffic, per tech fuel pump sensor failure, thereafter had other problems ie, headlights out, daylight running lights out, had radio/cd player problems b4 engine failure, with intermittent changing of stations, radio comming on and off, service engine light on. …”

NHTSA complaint #10064224, filed 2004-03, 27,340 miles

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
200313%
200247%
200178%
200064%
199947%
1998117%
199787%
19961913%
19952612%
1994125%
1993712%
199228%
1991414%

Other parts of the 2002 GMC Sonoma

Brakes
16 complaintsBody and structure
13 complaintsElectrical system
8 complaintsLatches, locks and linkages
5 complaintsOther or unknown
5 complaintsExterior lighting
4 complaintsTransmission and drivetrain
4 complaintsFuel system
3 complaintsSteering
2 complaintsTires
2 complaintsEquipment
1 complaintsSeats
1 complaints

← All problems reported for the 2002 GMC Sonoma

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