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Home >> Chevrolet >> 2006 >> HHR LT, 2.4 P, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 2.4L - DTC P0351 To P2138 >> DTC P1400 >> Circuit/System Verification

Circuit/System Verification

Allow the engine to cool.
Monitor the Cold Startup parameter. This should indicate Yes.
Start and idle the engine for at least 2 minutes.
DTC P1400 should run and pass.

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