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P0323 - Ignition/Distributor Engine Speed Input Circuit Intermittent

The engine speed input signal is dropping out intermittently.

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Code Overview

The engine speed input signal is dropping out intermittently.

Common Causes

  • Intermittent sensor failure
  • Loose connector
  • Harness damage

Diagnostic Steps

  1. Wiggle-test the harness and connector
  2. Monitor RPM signal for dropouts
  3. Inspect for heat-related wiring damage

Likely Repairs & Cost Guides

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Related OBD Codes

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P0322
Ignition/Distributor Engine Speed Input Circuit No Signal
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P0324
Knock Control System Error
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P0321
Ignition/Distributor Engine Speed Input Circuit Range/Performance
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P0325
Knock Sensor 1 Circuit Malfunction (Bank 1)
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P0320
Ignition/Engine Speed Input Circuit
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