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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 258 (Engine Controls Self-Diagnostics - 2.2L) >> Diagnostic Tests >> DTC P0336: Crankshaft Position Sensor Circuit >> Test Description

Test Description

WARNING: This page is about a different car, the 2003 GMC Sonoma and 2003 Chevrolet S10 Pickup. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step numbers on the diagnostic procedures.

  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 inspect any suspected circuitry. Refer to DIAGNOSTIC AIDS  .
  4. 8 -  An intermittent problem may be caused by a number of conditions. Refer to DIAGNOSTIC AIDS  .
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