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Ignition Timing

IGNITION TIMING (Degrees BTDC @ Idle) (3.4L V6) (1)

Application Base Timing ECM Controlled Timing
Tundra (2) 8-12 (3) 12.5-22
(1) Check with engine at normal operating temperature, transaxle/transmission in Neutral, parking brake applied, and A/C and all accessories off.
(2) With Jumper Wire (SST 09843-18020 or SST 09843-18040) installed between terminals CG and TC on data link connector No. 3.
(3) With jumper wire removed from data link connector No. 3.
IGNITION TIMING (Degrees BTDC @ Idle) (4.7L V8) (1)

Application Base Timing ECM Controlled Timing
Tundra (2) 8-12 (3)
(1) Check with engine at normal operating temperature, transmission in Neutral, parking brake applied, and A/C and all accessories off.
(2) With Jumper Wire (SST 09843-18020 or SST 09843-18040) installed between terminals CG and TC on data link connector No. 3.
(3) Information was not available from manufacturer.