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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 250 (Engine Controls Self-Diagnostics - 2.2L) >> Diagnostic Tests >> DTC P0336: Crankshaft Position Sensor Performance >> Test Description

Test Description

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  1. 4  - When a Medium Resolution Resync occurs, an engine stumble should also occur. If the electrical connection of a component or an electrical wire is malfunctioning, an engine stumble or a medium resolution resync may be induced by wiggling the circuit or electrical connector.
  2. 5  - Operating malfunctioning non-engine related electronic components may emit Electromagnetic Interference (EMI), which may cause a resync. This step determines if the medium resolution resyncs are being caused by an outside source.
  3. 6  - Thoroughly check any suspected circuitry.
  4. 8  - An intermittent problem may be caused by a number of conditions.
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