P0300 on Chevrolet Cruze
Random/Multiple Cylinder Misfire Detected
Methodology: Reviewed against the SAE J2012 generic DTC definition and NHTSA owner-complaint patterns, then scoped to Chevrolet Cruze context without treating complaints as confirmed diagnoses.
Sources: SAE/OBD-II definitions, manufacturer service information, and public reliability reports (including NHTSA where applicable).
- SAE J2012 Diagnostic Trouble Code Definitions — Generic diagnostic trouble code definition reference for P0300.
- NHTSA recalls, complaints, and manufacturer communications — Used to check public owner complaint context, recall status, and safety-related manufacturer communications by VIN or vehicle.
Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.
What P0300 Means on Your Chevrolet Cruze
P0300 is a diagnostic trouble code indicating: Random/Multiple Cylinder Misfire Detected. This code relates to the ignition system system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.
Real Chevrolet Cruze Owner Reports
Source: NHTSA Complaints Database
"11/14/17 ' pm check engine light (cel) 11/15/17 ' honda dealer referred to chevrolet dealer due to 'proprietary code' 11/16/17 ' 60191 miles - chevrolet dealer performed sublet repairs - intake manifold replacement 7/10/18 - 74,958 ' am started rough; service stabilitrack, traction control, & cel"
"Car very suddenly started having slow acceleration, and vibration felt during acceleration. Check engine light on with StabiliTrak warning message on dashboard. Rough idle and vibration felt in cabin. Difficulty accelerating at traffic light and car seemed to almost stall at one point."
"Purchased new in 2019 – 32k miles - Oil changes every 6 months. Lightly driven, no modifications, all original engine components and tune. Engine developed a significant miss. Several warnings on Stabilitrak, ABS, and P0300."
All reports filed by vehicle owners directly with the U.S. Department of Transportation.
📊 Complaint Trend by Model Year
Common Causes on Chevrolet Cruze
Based on NHTSA complaint component analysis for this vehicle.
What To Do Next
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1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
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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.