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Home >> Geo >> 1995 >> Tracker 4x2 L4-1.6L VIN 6 >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Engine >> Tune-up and Engine Performance Checks >> Ignition Timing >> Specifications
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Ignition Timing: Specifications

Duty Check DLC Pinout:






BASE TIMING
Timing should be 5 degrees +/- 1 degree BTDC at 800 rpm with jumper wire installed in the underhood Duty Check Data Link Connector from Test Switch Signal (cavity 5) to Ground (cavity 4). Refer to accompanying image for connector pinouts.
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