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Home >> Chevrolet >> 2009 >> HHR SS, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Engine Controls And Fuel - 2.2L Or 2.4L - DTC P0010 To DTC P0366) >> DTC P0341 or P0366 >> Conditions for Setting the DTC >> P0366 - Near Engine Start, CMP Fast Event Based Test

P0366 - Near Engine Start, CMP Fast Event Based Test

WARNING: This page is about a different variant/trim than selected.

The ECM detects the incorrect number of CMP sensor pulses in 2 revolutions of the crankshaft, which is usually within 1 second.