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There you are, tooling down
the highway day after day without a care because you assume your newer
car can now go forever without a tune-up, right? Unfortunately, that
mindset may just end up costing you lots of money. Years ago, the traditional
“tune-up” included replacing the points, replacing the spark plugs,
resetting the timing and adjusting the carburetor and choke.
Today, cars no longer have carburetors or points,
they have electronically triggered ignition systems. Spark timing
and air/fuel mixture are manipulated by an engine control unit (ECU).
Additionally, unleaded fuel and precious metal components have increased
spark plug life. Therefore, there is little to “adjust” in a traditional
sense. In short, the engine management system has, through technology,
changed the way many of the basic functions are carried out in the
internal combustion process.
While the manufacturer may recommend a long potential
tune-up cycle, whether a vehicle needs repair or not is often influenced
by different driving styles and varying weather conditions, which effect
the wear-and-tear on expensive sensors and control devices.
For example, city driving which requires many
starts and stops, or rural driving, which often is over dusty, dirt
roads, can lead to increased wear and tear on your vehicle. Further, failure
of a single sensor could affect other parts of the engine and compound the
cost of repairs. When you’re looking at the difference between less
than $100 to costly repairs in the $500 range, periodically having
your vehicle checked will pay off . Today’s vehicle’s represent a sizeable
investment to most people and taking care of it should include routine check-ups.
Whereas before, a tune-up was considered necessary regular maintenance in
order for the vehicle to perform efficiently, today the tune-up should
be looked upon as recommended preventative maintenance. A large percentage
of shop repairs today are done as a result of the diagnosis of driveability
complaints. The diagnosis and repair of driveability complaints are generally
higher than the cost of a periodic preventative maintenance tune-up.
Therefore, industry groups such as the Tune-up Manufacturer’s Council (TMC)
recommends preventative maintenance tune-ups at periods shorter than the indicated
potential tune-up cycle for that vehicle. A periodic preventative maintenance
tune-up should include:
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Replacing the spark plugs
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Replacing the air filter
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Replace the fuel Filter
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Changing the oil and replacing the oil filter
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Replacing the PCV valve (where applicable)
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Performing a complete engine management system diagnosis
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Inspecting the primary electrical system wiring and ignition
leads
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Performing a charging system check
So, if you’re the least bit concerned about
your vehicle’s ability to go the distance due to weather conditions or driving
style, it might just pay to visit your local service center today for a
preventative maintenance tune-up.
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