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Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 68 (Engine Control System & Fuel System - 3.6L - DTC P0335 To DTC P2097) >> DTC P0335, P0336, or P0338 >> 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. Ignition OFF, disconnect the harness connector at the CKP sensor.
  2. Test for 700-1,200 ohms of resistance between the signal circuit and low reference circuit of the CKP sensor.
    • If not within the specified range, replace the CKP sensor.
  3. Disconnect the fuel pump relay.
  4. Set the DMM to the AC voltage scale.
  5. While cranking the engine, test for greater than 1.3 VAC between the signal circuit and low reference circuit of the CKP sensor.
    • If less than the specified range, replace the CKP sensor.
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