Vehicle owners are always being urged to have regular tune-ups done on their vehicles. And tune-ups do extend engine life, increase power and maximize gas mileage.
But how does a tune-up do these things? Ideally, a tune-up improves vehicle performance by ensuring the engine's combustion chamber operates at peak efficiency. This is done by performing maintenance that sets the computer, ignition, fuel and emission systems working in tandem.
On older models, a tune-up means checking ignition timing, spark plugs, distributor points, belts, valves, fluid levels, fuel, air and oil filters, idle mixture and other items, then adjusting settings or replacing parts as required.
Newer cars, heavily dependent on electronics as they are, don& ...[more]