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Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 66 (Engine Control System & Fuel System - 5.3L - DTC P0016 To DTC P0358) >> DTC P0324, P0325, P0326, P0327, P0328, P0330, P0332, or P0333 >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
  1. Connect a DMM to both KS signal circuits, terminals A and B, at the KS.
  2. Set the DMM to the 400 mV AC hertz scale and wait for the DMM display to stabilize at 0 Hz.
    3. IMPORTANT: DO NOT tap on plastic engine components.
  3. Tap on the engine block with a non-metallic object near the KS while observing the signal indicated on the DMM.
  4. The DMM should display a fluctuating frequency while tapping on the engine block.
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