AFTER STARTING VEHICLE, CONSUMER STATES THE FUEL INDICATOR READS VEHICLE IS FULL OF GAS. WHEN IN ACTUALITY VEHICLE IS EMPTY. AND WHEN TANK IS EMPTY IT READS FULL. DEALER HAS BEEN CONTACTED. PLEASE PROVIDE ANY FURTHER INFORMATION. TS
1999 GMC Sonoma
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 1999 GMC Sonoma do not stand out strongly from the model-year median of 57.
About this comparison →How this year compares
Owner complaints by model year
Compare all Sonoma years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
24 reports with mileage · 33 unknown
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Power Train. Review the 8 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Seats. Review the 8 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Structure. Review the 8 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
Vehicle Speed Control complaints
3 reportsTHE THROTTLE CABLE COMES OFF ACCELERATOR PEDAL WHILE DRIVING, ALMOST CAUSING AND ACCIDENT ON 3 SEPARATE OCCASIONS. NLM
WHEN VEHICLE IS IN OR OUT OF GEAR ENGINE IDLES, RPM WILL FLUCUATE BETWEEN 1600-3000 INTERMITTENTLY.DEALER EHAS REPLACED IDLE MOTOR, THROTTLE POSITIONER, NEW COMPUTER , AND NEW SOFTWARE FOR COMPUTER.AFTER SEVERAL ATTEMPTS TO CORRECT DEFECT, DEALER IS CLAIMING IT IS NORMAL. *AK
Official recalls
0No recalls in this snapshot.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.
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