Tune-Up - V6: Adjustments: Distributor
All models are equipped with electronic, breakerless ignition systems. No adjustments are necessary. On 2.5L engines, ignition timing is controlled by a computer through 2 ignition control solenoids that regulate vacuum to the vacuum advance diaphragm. Ignition timing for 2.7L engines is controlled entirely by a computer, no mechanical or vacuum mechanisms are used.