The Car Salon The Car Salon


In the old days, you waited until your vehicle was in a “bad” state before you took it in for a tune-up. The term indicates the need for routine maintenance and should not be associated with poor performance. Manufacturers have developed recommended routine maintenance schedules, which specify intervals for replacing spark plugs, PCV valves, fuel filters etc. These schedules also specify intervals for checking or adjusting ignition timing, idle speed and other items related to engine operation, as well as emission-control related devices.

Electronic ignition tune-up includes:

  • Replace spark plugs
  • Adjust ignition timing, as required
  • Adjust curb idle speed, as required
  • Visually check emission-control related devices
  • Visually inspect distributor cap and rotor, when accessible

Major tune-up also includes:

  • Clean fuel injectors
  • Clean ISC motor, as required
  • Clean throttle body air intake
  • Visually inspect fuel lines and fuel rail
  • Pressure test fuel pump
  • Visually inspect fuel pump, pressure regulator, vacuum line and connections
  • Decarbonize intake manifold
  • Decarbonize intake and exhaust valves
  • Decarbonize combustion chamber and pistons
  • Test exhaust emissions
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