1999 GMC Sonoma: Recalls, Problems & MPG
Here are the deets on the 1999 GMC Sonoma: 0 recalls, 57 owner complaints and up to 23 mpg combined.
Recalls
0 vehicle recalls from the manufacturer, plus 1 equipment/tire recall that can apply. Repairs are free. Check your VIN to see if one is still open on your car.
1 aftermarket equipment / tire recall replacement parts sold to fit this car, not the car itself
Fuel system (other) Equipment recall #07E021000 · 2007 · 742 vehicles
What's wrong: Certain delphi fuel pressure regulators, p/nos. Fp10020-11b1, fp10026-11b1, and fp10027-11b1, sold after January 9, 2007, as aftermarket equipment for various passenger vehicles listed above. The universal pressure regulators (upr) were produced without an o'ring and retainer.
Why it matters: Fuel May leak, possibly resulting in a fire.
The fix: Delphi will notify owners and replace the upr free of charge. The recall began on April 23, 2007. Owners can contact delphi at 877-411-8770.
Most-reported problems
Owner complaints filed with NHTSA, by component. One complaint can list several components. 1 mention a fire, 5 injuries and 0 deaths were reported.
What owners describe
- Transmission & drivetrain (8): the most common themes are noise or vibration (2).
- Seats (8): no single recurring theme in the descriptions.
- Body & structure (8): the most common themes are door / lock issues (2).
- Brakes (hydraulic) (7): the most common themes are brake failure / soft pedal (2).
The 1999 GMC Sonoma has 57 owner complaints, ranking #9 of 16 Sonoma model years for complaints (about average; the typical year has 84). Complaints peaked in 2000 (8 filed that year). The typical problem showed up when the car was about 4 years old, at a median of 57,000 miles. Neighboring years: 1998 (156 complaints, 3 recalls), 2000 (136 complaints, 3 recalls).
Engines & fuel economy (EPA)
| Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|
| 2.2 L 4-cyl | Manual 5-spd | Rear-Wheel Drive | 20 | 26 | 23 | Regular |
| 2.2 L 4-cyl | Automatic 4-spd | Rear-Wheel Drive | 17 | 24 | 19 | Regular |
| 4.3 L 6-cyl | Manual 5-spd | Rear-Wheel Drive | 15 | 21 | 18 | Regular |
| 4.3 L 6-cyl | Automatic 4-spd | Rear-Wheel Drive | 15 | 20 | 17 | Regular |
| 4.3 L 6-cyl | Manual 5-spd | 4-Wheel or All-Wheel Drive | 15 | 20 | 17 | Regular |
| 4.3 L 6-cyl | Automatic 4-spd | 4-Wheel or All-Wheel Drive | 14 | 19 | 16 | Regular |
Want the full repair deets? Get the factory manual.
Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 1999 GMC Sonoma.
Closest thing to the factory manual for most years. Pay once, keep it.
Most $25–$78, one-timePro-shop repair procedures, wiring diagrams and TSBs for your exact car.
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FAQ
Does the 1999 GMC Sonoma have any recalls?
NHTSA doesn't list any vehicle recalls for the 1999 GMC Sonoma, but 1 equipment or tire recalls may apply. Check your VIN at nhtsa.gov/recalls to be sure.
What are the most common 1999 GMC Sonoma problems?
Owners have filed 57 complaints with NHTSA. The most-reported areas are transmission & drivetrain (8), seats (8), body & structure (8).
What gas mileage does the 1999 GMC Sonoma get?
EPA ratings run up to 23 mpg combined (2.2 L, Manual 5-spd), across 6 engine and transmission combos.
Where can I get a 1999 GMC Sonoma repair manual?
eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.