P0300 on CHEVROLET IMPALA
What P0300 Means on Your CHEVROLET IMPALA
Real CHEVROLET IMPALA Owner Reports (Source: NHTSA Complaints Database)
"2006-2009 chevrolet impala ss ticking noise, engine misfire and/or ses light. this may be the result of an afm (active fuel management for displacement-on-demand) lifter that unlocks as soon as the engine is started or one that is mechanically collapsed/stuck."
"Was driving when the traction control light came on and message came across saying service traction control: then check engine light started flashing rapidly at the same time. follow by a very loud knocking noise from the engine. then speed would not accelerate."
Data from NHTSA Vehicle Complaints Database. All reports are filed by vehicle owners directly with the U.S. Department of Transportation.
Common Causes of P0300 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.