P0411 on CHEVROLET IMPALA
What P0411 Means on Your CHEVROLET IMPALA
Real CHEVROLET IMPALA Owner Reports (Source: NHTSA Complaints Database)
"The diagnostic revealed that there are 11 codes in the vehicle system. these codes ranged from passkey system failures to evap codes to transmission. suspected failure of wiring harness altogether with possible bcm/cam failure as well."
"1st - 8/11/2018 - 79,653 miles - check engine light came on, code p0411 secondary air injection system incorrect flow detected."
Data from NHTSA Vehicle Complaints Database. All reports are filed by vehicle owners directly with the U.S. Department of Transportation.
Common Causes of P0411 on CHEVROLET IMPALA
Percentages based on NHTSA complaint component analysis for this vehicle.
Complaint Trend by Year
What To Do Next
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1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if your vehicle is covered.
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2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50-$150) pinpoints the root cause before you spend money on parts.
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3
Compare repair quotes
Get 2-3 quotes. Dealer vs independent shop prices often differ 30-50% for the same repair.