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Home >> Saturn >> 1997 >> SW2 Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Self-Diagnostics >> Diagnostic Trouble Codes >> DTC P0336 - Crankshaft Position (CKP) Sensor Circuit Signal Intermittent Or Noisy (Extra Pulses) >> Diagnostic Procedures

Diagnostic Procedures

  1. Start engine. Check if DTC P0336 is active. If DTC P0336 is not active, problem is intermittent. See DIAGNOSTIC AIDS. If DTC P0336 is active, go to next step.
  2. Monitor scan tool RPM on initial start up. If RPM increases by several thousand, then return to normal, go to next step. If RPM does not increase, check connections to CKP sensor and PCM ground.
  3. Check for Electromagnetic Interference (EMI) cause by ignition cables routed too close to CKP sensor. Check for faulty generator.
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