AFTER THE SMART TECHNOLOGY SOFTWARE WAS INSTALLED ON MY VEHICLE THE CHECK ENGINE LIGHT CAME ON. WITH THE RECALLS TOYOTA HAS BEEN HAVING I FELT IT WAS NECESSARY TO TAKE MY CAR TO AN OUTSIDE ENTITY SO I TOOK MY CAR TO NTB FOR A DIAGNOSIS AND WAS TOLD THAT THE 02 SENSOR ON MY VEHICLE WAS FAILING, THE P02420 CATALYST WAS BELOW THRESHOLD. THE CONSENSUS WAS THAT WHEN THE SMART STOP WAS INSTALLED THAT …
2009 Toyota Corolla engine problems
moderate 103 complaints filed with NHTSA · avg repair $3,100
Complaints
103
Recalls
0
Crashes
2
Avg fix
$3,100
What owners are reporting 1 most recent
Common questions
How serious is the engine problem on the 2009 Toyota Corolla?
It's a documented issue but not catastrophic. 103 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
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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