TorqueMech OBD Code Guide
P0316 - Misfire Detected on Startup (First 1000 Revolutions)
A misfire was detected during startup.
Code first. Confirm symptoms and checks before pricing parts.
Read code pattern
Check likely system
Estimate after confirmation
Explore Related Systems
Compare nearby repair families.
Common Next Steps
Turn the code into the next check.
Inspect ignition coils
Check coil boots, carbon tracking, and whether the miss follows a swap.
Check spark plugs
Inspect gap, fouling, wear, oil, coolant, and plug-well condition.
Verify injector operation
Move to injector balance, pulse, or leak-down checks if the misfire stays.
Check compression if needed
Use compression or leak-down testing when spark and fuel checks do not move the fault.
Related Inspection
Code Overview
A misfire was detected during startup.
Common Causes
- Worn plugs or coils
- Fuel delivery issue
- Leaking injector
- Low compression on startup
Diagnostic Steps
- Note if the misfire clears once warm
- Check for coolant or fuel fouling on plugs
- Scan for cylinder-specific misfire companions
Related OBD Codes
Browse nearby codes when systems overlap.
Next Steps
Move from code to checks, then estimate.