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Home >> Cadillac >> 2007 >> CTS Base, 2.8 T, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 2.8L - DTC P0342 To DTC P0700 >> DTC P0654 >> Circuit/System Verification

Circuit/System Verification

Start the engine with the scan tool installed. Verify that the tachometer display matches the scan tool Engine Speed parameter in the ECM Engine Data List.

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