P1373
Ignition Coil Cylinder 3 Early Activation Fault
P1373 is an OBD-II diagnostic trouble code meaning: Ignition Coil Cylinder 3 Early Activation Fault. Common causes: malfunction of the ignition coil of cylinder 3, problems with coil wiring or connectors. Estimated repair cost: $17–56.
Symptoms
- Misfire in cylinder 3
- Reduced engine power
- Increased fuel consumption
- Rough engine idling
- Check Engine light comes on
Causes
- Malfunction of the ignition coil of cylinder 3
- Problems with coil wiring or connectors
- Engine control unit (ECU) malfunction
- Problems with the crankshaft position (CKP) sensor
- Mechanical problems in the timing system
How to Fix
- Check the condition of the ignition coil of cylinder 3
- Inspect the wiring and coil connectors for damage
- Check the operation of the crankshaft position (CKP) sensor
- Replace the faulty ignition coil
- If necessary, replace the engine control unit (ECU)
Related codes
Error P1373 by Vehicle Brand
FAQ
What does the P1373 code mean?
P1373 is an OBD-II diagnostic trouble code that indicates: Ignition Coil Cylinder 3 Early Activation Fault
What causes a P1373 error code?
The most common causes of P1373 include: Malfunction of the ignition coil of cylinder 3; Problems with coil wiring or connectors; Engine control unit (ECU) malfunction; Problems with the crankshaft position (CKP) sensor.
How do I fix a P1373 diagnostic trouble code?
To fix P1373: Check the condition of the ignition coil of cylinder 3. Inspect the wiring and coil connectors for damage. Check the operation of the crankshaft position (CKP) sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1373?
Limited driving only, diagnose soon
How much does it cost to fix P1373?
The estimated repair cost for P1373 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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