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Nissan
🔴 High
Nissan
P0301
NISSAN P0301 Cylinder 1 Misfire Detected
The P0301 diagnostic trouble code indicates a malfunction in the Cylinder 1 Misfire Detected. Often reported in Nissan diagnostic scans, typically related to failed coil pack on cylinder 1. This is a well-documented issue for nissan vehicles equipped with DIG-T, dCi, VQ technology. It typically triggers the MIL (Malfunction Indicator Lamp) and may affect overall engine efficiency and emission levels.
Brand
Nissan
Fault Code
P0301
Severity
🔴 High
Models
Qashqai, Juke, Micra, Note, X-Trail, 370Z, Navara
🛠️ Diagnostic Overview
Difficulty Level
🛠️🛠️
Medium (Moderate)
Estimated Time
⏱️ 1-2 Hours
🧰 Required Tools
- ✓ Digital Multimeter
- ✓ OBD2 Diagnostic Scanner
- ✓ Socket Wrench & Hand Tools
- ✓ Electrical Contact Cleaner Spray
⚠️ Possible Causes
- Failed coil pack on cylinder 1
- Faulty signal from the respective sensor module
- Corrosion or physical damage to the wiring harness
- Internal mechanical wear within the system components of the nissan powertrain.
🔧 Recommended Fixes
- Begin by checking the sensor's real-time data using an OBD2 diagnostic tool. Inspect the associated wiring for any signs of fraying or loose connections. Clean the affected components if applicable, or replace them with high-quality OEM parts approved for nissan. Reset the fault codes and perform a drive cycle to verify the repair.
🔴 This is a high-priority fault. Have the vehicle inspected by a qualified technician as soon as possible.
🚗 Commonly Affected Vehicles
🏭 Nissan – Other Common Fault Codes