P0323

Symptoms

• Sudden short-term engine stops while driving
• Unstable idle
• Jerks when accelerating
• Difficulty starting the engine
• Check Engine Light Is On (Intermittent)

Causes

• Unreliable contact in the engine speed sensor connector
• Damage to wiring (chafing, interference)
• Contamination or damage to the drive wheel gear
• Worn or failing sensor
• Weak sensor fastening (the gap varies)

How to Fix

1. Read codes, check for associated crankshaft/camshaft sensor errors
2. Inspect the sensor connector, clean the contacts, make sure the fixation is secure.
3. Check the wiring for chafing and proximity to high-voltage ignition wires
4. Check the air gap between the sensor and the gear (normal: 0.5–1.5 mm)
5. Inspect the drive disc gear for damage.
6. Replace the sensor if it is confirmed to be faulty

Related codes

Error P0323 by Vehicle Brand