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What to Check for Misfires After Tuning
Spark plug gap, boost leaks, crack pressure, fuel and the drive belt.
What should I check if the vehicle has misfires after tuning?
- Spark plug gap: 0.016-0.018 in. for all tuning on all vehicles.
- Check for boost leaks.
- Make sure crack pressure is set to the recommended spec.
- Use fresh fuel if the vehicle has been sitting for a few months.
- Check the condition of the drive belt.
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