What should I do for a major tune up?
What should I do for a major tune up? A major tuneup for electrical components consists of the replacement of all spark plugs, spark plug wires, distributor cap, rotor, and points and condenser, if applicable for an older vehicle. The mechanic will check the timing and adjust it to specifications. What's the difference between a minor and major tune up? Minor Tuneup — Electrical The electrical components replaced in a minor tuneup usually consist of spark plugs only. The new spark plugs are gapped to manufacturer's specifications and installed in the vehicle. An oil change (with filter), on rare occasions,...