Emission Control Systems

4A-FE ENGINE

Base Ignition Timing 10° BTDC At Idle [1]
Advance Ignition Timing 5 - 15° BTDC At Idle [1]

EGR VSV Resistance
At 20°C (68°F) 37 - 44 Ohms

[1] Refer to ADJUSTMENT PROCEDURES.


4A-GE ENGINE

Base Ignition Timing 10° BTDC At Idle [1]
Advance Ignition Timing Approx. 16° BTDC At Idle [1]

EGR VSV Resistance
At 20°C (68°F) 33 - 39 Ohms

[1] Refer to ADJUSTMENT PROCEDURES.