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P0308 — Cylinder 8 Misfire Detected

Cylinder 8 is misfiring. V8 engines.

Severity: HighRepair: $20-$800Difficulty: Easy

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Common symptoms of P0308

Common causes of P0308

Repair cost & difficulty

Typical cost to fix P0308: $20-$800 · Difficulty: Easy

Pro tip: On GM LS engines, coil-near-plug connectors are a known failure point.

Vehicles commonly affected

V8 engines

Related trouble codes

P0300

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ScanFixAI is a diagnostic aid, not a substitute for professional repair. Cost estimates are typical ranges and vary by vehicle and region.