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Home >> GMC >> 2008 >> Acadia SLT, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel - 3.6L - DTC P0335 To DTC P2138 >> DTC P0335 >> Circuit/System Verification
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Circuit/System Verification

  1. Start the engine. Using the Live Plot function on the scan tool, select the CMP parameter. Change the minimum spec to 400 RPM and the maximum spec to 4, 000 RPM. Select the CKP sensor parameter. Change the minimum spec to 600 RPM and the maximum spec to 3, 300 RPM.
  2. Observe the scan tool.
  3. Quickly accelerate and release the accelerator pedal several times. Do not exceed 3, 200 RPM. The graphed lines on the Live Plot display should track together across the screen.
    • If the vehicle passes the Circuit/System Verification Test, operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that are captured in the Freeze Frame/Failure Records Data List.
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