P0304 on CHEVROLET SILVERADO
What P0304 Means on Your CHEVROLET SILVERADO
Real CHEVROLET SILVERADO Owner Reports (Source: NHTSA Complaints Database)
"Engine lost compression and started ticking while traveling at 65 mph and came to an abrupt stop in traffic. this caused a safety concern with my 2 infant sons as passengers. the engine light was flashing which resulted in a code p0304."
"Engine lost compression and started ticking while traveling at 65 mph and came to an abrupt stop in traffic. this caused a safety concern with my 2 infant sons as passengers. the engine light was flashing which resulted in a code p0304."
Data from NHTSA Vehicle Complaints Database. All reports are filed by vehicle owners directly with the U.S. Department of Transportation.
Common Causes of P0304 on CHEVROLET SILVERADO
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.