Spark Plug Efficiency Calculator
Calculate how spark plug condition affects your engine performance and fuel efficiency. Determine the impact of spark plug wear on your vehicle’s operation.
Step 1: Vehicle & Engine
Understanding Spark Plug Efficiency
Worn spark plugs can reduce fuel efficiency by 5-30% depending on severity. Regular replacement maintains optimal combustion and engine performance.
Step 2: Spark Plug Condition
About Spark Plug Efficiency
Properly functioning spark plugs ensure complete combustion of the air-fuel mixture. Worn plugs cause misfires, reducing power and fuel economy while increasing emissions.
Spark Plug Efficiency Results
Current Efficiency Loss
Spark Plug Condition Comparison
| Spark Plug Condition | Efficiency Loss | Annual Fuel Waste | Recommended Action |
|---|
Annual Cost Breakdown
Efficiency Loss Formula
Fuel Waste = (Annual Mileage ÷ Base MPG) × Fuel Cost × Efficiency Loss
To calculate fuel waste: Divide annual mileage by base MPG to get base fuel consumption, multiply by fuel cost, then multiply by efficiency loss percentage.
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