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Home >> Buick >> 2008 >> Allure CXL >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Engine Control System & Fuel System - 3.6L - DTC P0008 To DTC P0333) >> DTC P0328 or P0333 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Engine at operating temperature, all accessories OFF. Engine speed greater than 2,000 RPM, observe the appropriate KS signal voltage parameter with a scan tool. The voltage should be greater than 2 volts.
  2. Engine idling, move the related harnesses and connectors for the KS circuits while observing the KS signal voltage parameters with a scan tool. The voltage should remain steady with no abrupt changes.
  3. Operate the vehicle within the conditions for running the DTC to verify the DTC does not reset. You may also operate the vehicle within the conditions that are captured in the Freeze Frame/Failure Records Data List.
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