Code
P0316
Ignition / Engine
Misfire detected on startup
A misfire occurred during the first 1000 revolutions.
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Most likely causes
- Worn plugs
- Weak ignition
- Low compression
- Fuel pressure
Symptoms you may notice
- Rough start
- Check engine light
Checks to run
- Read misfire counts at start
- Inspect plugs
- Check compression
Tools you may need
OBD-II scanner
Always diagnose before replacing. Codes share symptoms; confirm the cause with measurements before buying parts.