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Home >> Hummer >> 2008 >> H3 Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 3.7L - DTC P0366 To DTC P2444 >> DTC P0366 >> Conditions for Setting the DTC >> P0366 - Near Engine Start, CMP Fast Event Based Test

P0366 - Near Engine Start, CMP Fast Event Based Test

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

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