This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
full bulletin at NHTSA ↗2016 Chevrolet Sonic engine problems
severe 8 complaints filed with NHTSA · avg repair $3,100 · see engine across all vehicles →
When does it fail?
Of the 8 engine complaints filed for the 2016 Chevrolet Sonic, here's the actual mileage breakdown — failures cluster heaviest at 50,000-75,000 mi.
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
No new NHTSA engine complaint has been filed on this vehicle in over 4 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering engine on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay.
full bulletin at NHTSA ↗This service bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in other states.
full bulletin at NHTSA ↗This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling system and replace the parts that may be contaminated due to oil in system.
full bulletin at NHTSA ↗This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling system and replace the parts that may be contaminated due to oil in system.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 4 most recent
The contact owns a 2016 Chevrolet Sonic. The contact stated while driving 25 MPH, the vehicle began to stall inadvertently. The engine overheating warning light illuminated. The contact stated that she veered to the side of the road and turned off the vehicle. The contact's friend came on the scene and provided her with engine coolant, and she added the coolant to the vehicle. The contact…
Tl* the contact owns a 2016 Chevrolet sonic. The contact stated that the valve cover gasket became defective, the check engine warning indicator persistently illuminated, and the turbo engine's fins were bent. The contact took the vehicle to two independent mechanics to be diagnosed. The dealer and manufacturer were not notified of the failure. The vehicle had not been repaired. The failure…
Takata recall- the engine light is on I have taken it to auto shop they could not find any wrong took it to a Chevy dealer they cannot find anything wrong. But my car shakes and stalls on me. It's very frastrating spending on the vechile and one can find what's going on.
Tl* the contact owns a 2016 Chevrolet sonic. While driving at an unknown speed, the vehicle overheated, stalled, and completely shut off. The vehicle was taken to jeff wyler dixie Chevrolet (5340 dixie hwy, louisville, ky 40216, (502) 448-2820) where the contact was informed that the vehicle was not included in a power train warranty. The vehicle was not diagnosed or repaired. The manufacturer…
Common questions
How serious is the engine problem on the 2016 Chevrolet Sonic?
It's a meaningful issue. 8 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $3,100.
At what mileage does the engine typically fail?
Based on the 8 complaints filed, engine issues most often appear around 65,000 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.