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Tune-up

The Leading Auto Repair Shop In San Leandro

Auto Tune Up in San Leandro, CA

Even though “tune up” has evolved over time, we offer complete tune up services at our auto repair shop in San Leandro. Years ago every vehicle needed regular tune up, and the term “tune up” was well defined. Today many functions of the tune up have been taken over by the on-board computers. Modern vehicles, in many ways, are “self-tuning” – computers adjusts mixture of the air and fuel on-the-fly, to provide optimal performance and emissions control.


If you want your vehicle to last as long as possible and be in top condition, you should bring it to the nearest auto repair center for regular tune-up services. The certified technicians at our repair shop can perform various preventative maintenance services, including tune-ups on your vehicle. The majority of vehicles are in need of a tune-up service every 30,000 miles. Our shop offers dependable, affordable and quality tune-ups, as well as various other auto repair and maintenance services.

A regular routine tune-up can give you protection against major engine problems by locating and replacing worn components, like fuel filters and spark plugs. Having a regular tune-up schedule will assist your vehicle in boosting efficiency, preserving a higher fuel mileage, and lasting much longer.


Each component of your vehicle has a certain life expectancy, so it should not come as a surprise when for instance, your transmission or suspension breaks down. The life expectancy of each component is shown in your owner's manual with specific manufacturer benchmarks, roughly around every 30,000 miles. However, sometimes these components can last much longer than the suggested time frame. Nonetheless, it's a good idea to have them inspected by a qualified and experienced technician at our auto repair shop, on a regular basis. If you want to avoid major problems in the future, you should have a computer diagnostic performed and vehicle components inspected on a regular basis.


Symptoms that indicate your vehicle is in need of a tune-up service include:

  • Air flow issues
  • Engine sounds, like knocks or pings
  • Slow acceleration
  • Noticeable electrical issues
  • Poor gasoline mileage

The complete tune-up service, performed by our certified technicians, consists of:

  • Inspection and filling all fluids
  • Installing new spark plugs and spark plug wires
  • Switching out Crankcase Ventilation (PCV) valve, if plugged
  • Replacing the air filter
  • Examining the blades and installing a new rotor if the old one has splits, burning or carbon build-up
  • Checking the valve-cover gasket and adjusting the valves
  • Switching out the gas filters
  • Inspecting the distributor cap and putting in a new one if needed

At our auto repair shop, we are aware of the fact that preventative maintenance services, such as tune-up can prolong the life of your vehicle and save you money in the long run. Schedule an appointment for a tune-up service today with one of our technicians to avoid major vehicle problems and extend your car's life.

Thus the term “tune up” has evolved over time. Today, we first check the age of the vehicle, and what kind of computerized fuel injection system it is equipped with. This tells us which definition of “tune up” we should apply when servicing your vehicle.



There are still some old vehicles that require a traditional tune up, though we rarely see them anymore. Most of the modern vehicles will receive either a minor or major tune-up service, and these differ from the tune up in the olden days.


A minor tune-up can involve check for coolant or vacuum leaks, and visual inspection of wires, belts and hoses. Depending on the mileage, spark plugs may need to be replaced. We will adjust ignition timing if necessary. Fuel injected engines will undergo cleaning of the throttle body and idle air bypass. Fuel and air filters will be replaced.


As the name implies, a major tune-up is a bit more involved affair. In addition to the minor tune up tasks, we will be spend more time using diagnostic scan tools, and may replace transmission fluid, brake fluid, or differential fluid. Sensors may be replaced as well – for example oxygen sensor, crankshaft position sensor, cam position sensor. It could also involve fuel pump replacement.


Generally, the auto repair industry has moved away from the concept of a tune up, to the concept of “manufacturer recommended maintenance” – each vehicle manufacturer recommends specific services to be performed at various time or mileage intervals, for each vehicle model, and during these services we perform all the testing, adjustments, and part replacements that in the olden days were grouped under the term “tune up”.


Having said all that, if you feel that your car is not behaving as it should, or that it has been a while since you brought it to a mechanic near you, call Doral’s Auto Repair and make an appointment for us to take a look at it – we will inspect your vehicle and figure out what it needs, and our nationally ASE certified technicians will get it fixed and ready for the road.


At Doral’s Auto Repair we back our work with a 36 month / 36,000 mile warranty.


We offer convenient appointments on our website, or simply call the shop and we will make an appointment for you.

Maintenance | Doral's Auto Repair
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