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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Controls - 6.6L - Troubleshooting & Diagnosis) >> Fuel Injector Balance Test with Tech 2 (Automatic Transmission) >> Circuit/System Verification

Circuit/System Verification

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Observe the Balancing Rate parameters with a scan tool. Normal reading should be between +4 mm3 and -4 mm3 in Neutral or Park and between +6 mm3 and - 6 mm3 in drive. With the engine running at idle the Actual Fuel Rail Pressure should be close to the Desired Fuel Rail Pressure.