P0323 - Ignition/Distributor Engine Speed Input Circuit Intermittent

The engine speed input signal is dropping out intermittently.

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

Use test results to confirm the fault before pricing the repair.

Related OBD Codes

Browse the closest code-family pages when the same fault pattern often shows up nearby.

Next Steps

Move from the code to a diagnosis path, then into repair pricing once the fault is confirmed.