AIR INTAKE SYSTEM. NOT LONG AFTER WE BOUGHT THE CAR THE CHECK ENGINE LIGHT CAME ON READING A CODE PH171. WE WERE TOLD IT WAS A KNOCK SENSOR WHICH WE REPLACED AND IT DIDN'T FIX THE PROBLEM, AFTER WE WERE TOLD IT WAS THE AIR INTAKE HOSE, CHECKED IT AND IT LOOKS LIKE IT'S A NEW HOSE NO ISSUES WITH IT. NOW WE ARE TRYING EVERYTHING WE CAN TO FIGURE OUT THE PROBLEM. WE CHECK ONLINE FORUMS AND FOUND OUT…
2013 chevrolet Sonic engine problems
severe 32 complaints filed with NHTSA · avg repair $3,100
Complaints
32
Recalls
0
Crashes
0
Avg fix
$3,100
What owners are reporting 2 most recent
THE PCV PRESSURE REG VALVE FAILS AND CAUSES DAMAGE TO THE ENGINE. GM SENT A LETTER TO CUSTOMERS BUT ONLY COVERS THE WORK UP TO 120K MILES. MINE FAILED AT 125K MILES AND COST OVER $1000 TO FIX. GM IS REFUSING TO PAY FOR THE REPAIRS.10/15/2020
Common questions
How serious is the engine problem on the 2013 chevrolet Sonic?
It's a meaningful issue. 32 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?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
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.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Severity ratings are derived from reported crashes, fires, injuries, and fatalities.
Repair cost estimates are independent-shop national averages and may differ in your area.
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