P0301 Code: Nissan Rogue (2021-2024) - Causes, Symptoms & Fixes

CODE MEANING AND SEVERITY

• What P0301 means: P0301 is a diagnostic trouble code indicating a misfire detected in cylinder 1 on the engine. The engine control module (ECU) has detected that cylinder 1 isn’t firing as it should.
• Severity for a 2021-2024 Nissan Rogue: A cylinder 1 misfire can cause rough idle, poor acceleration, stalling, and increased exhaust emissions. If the misfire happens consistently, it can lead to catalytic converter damage and elevated risk of drivability issues. Since this is a Nissan Rogue with a modern 4-cylinder engine, persistent misfires should be treated as a priority to avoid further engine or exhaust-system damage.
• Data reference from provided dataset: In the included NHTSA data, there is 1 owner complaint mentioning P0301 for a 2021 Rogue, describing recurring misfire and stalling symptoms, with cooling-system work reported. There are no recalls listed for this model/year in the data. These data points are anecdotal and do not replace a professional diagnostic result.

COMMON CAUSES ON NISSAN ROGUE

Note: P0301 means cylinder 1 misfire. Typical root causes for this scenario (common across many 2021–2024 Rogue 4-cylinder models) include:

• Ignition system
  • Worn or fouled spark plug on cylinder 1
  • Faulty ignition coil or coil-on-plug for cylinder 1
  • Damaged ignition coil wiring or connector for cylinder 1
• Fuel system
  • Clogged or leaking fuel injector for cylinder 1
  • Insufficient fuel pressure to cylinder 1
  • Dirty or contaminated fuel affecting one cylinder
• Air and vacuum
  • Vacuum leak or intake manifold gasket leak near cylinder 1
  • Mass air flow (MAF) sensor or air intake restriction contributing to a lean misfire
• Mechanical
  • Low compression in cylinder 1 due to valve, piston, or ring wear/damage
  • Timing issues (cam timing) that affect cylinder 1
• Electrical/ECU
  • Damaged wiring harness or connector to cylinder 1 injector or coil
  • ECU-related intermittent misfire signal
• Other
  • Contamination or carbon buildup on the intake/exhaust path for cylinder 1 (more common on direct-injected engines)
• Practical note for Rogue: Although the data set doesn’t list a root cause, many Nissan Rogue P0301 cases resolve with a straightforward ignition or fuel-delivery fix (plug/coil or injector) before moving to mechanical concerns. If the vehicle has undergone cooling-system work, do not assume misfire is cooling-related; investigate ignition/fuel paths and cylinder 1 integrity first.

SYMPTOMS

• Frequent or intermittent P0301 observed on the dash or via OBD-II scan
• Rough idle or engine vibration, especially at idle or low RPM
• Engine stalling or hesitation while accelerating
• Loss of power or reduced acceleration response
• Increased fuel consumption or rough running under load
• Possible misfire may be accompanied by P0300 (random/multiple misfires) or P0302–P0304 (misfire on cylinders 2–4 if misfire logic shifts)
• Check engine light (CEL) illuminated or flashing (a flashing CEL often indicates severe misfire and should be addressed urgently)

DIAGNOSTIC STEPS

Tools you’ll want:

• OBD-II scan tool (with live data)
• Spark plug socket and gap gauge
• Battery and electrical test tools
• Ignition coil tester or reputable multi-meter
• Noid light or injector test tool
• Compression tester
• Fuel pressure gauge
• Basic hand tools and flashlight
• Optional: smoke machine for vacuum leaks

Step-by-step process:

• Step 0: Confirm the code and data
  • Read P0301 with a reliable scan tool and note freeze-frame data (engine load, RPM, temperature, fuel trim). Check if P0301 is a persistent or intermittent code.
  • Clear codes and drive briefly to see if P0301 returns; note any accompanying codes.
• Step 1: Visual inspection
  • Inspect spark plug on cylinder 1 for wear, fouling, oil fouling, gap, and electrode condition.
  • Inspect ignition coil/coil-on-plug boot for damage, corrosion, or moisture. Check wiring harness and connector for bent pins, corrosion, or loose connection.
  • Inspect cylinder 1 injector wiring and connector for damage or corrosion.
  • Check for obvious vacuum or intake leaks around the inlet plenum, intake gasket, PCV hose, or vacuum lines near cylinder 1.
• Step 2: Spark plug test or replacement (begin with the easiest fix)
  • If spark plug is worn or fouled, replace with a fresh plug of OEM-spec or recommended type and correct gap. Keep records of torque specs.
  • If the plug is new or in good shape, proceed to other tests.
• Step 3: Swap test (ignition coil if applicable)
  • If the Rogue uses coil-on-plug for cylinder 1, swap the cylinder 1 coil with cylinder 2 (or another known good cylinder) and clear codes. If P0301 follows the coil to the new cylinder, the coil is likely the culprit. If the misfire stays on cylinder 1, move to the next step.
• Step 4: Ignition coil and wiring test
  • Measure coil primary and secondary resistance if you have proper specs (consult service manual for exact values). Look for open/short circuits.
  • Check coil harness continuity and resistance of primary/secondary circuits. Inspect connectors for corrosion or damage.
• Step 5: Fuel injector test
  • Check injector resistance for cylinder 1 (compare to typical spec for Nissan 2.5L). An out-of-range value can indicate a faulty injector.
  • Use a noid light to verify injector signal from the ECU. Listen for injector clicking or use a scope to verify proper pulse width during engine operation.
  • If suspected, perform injector cleaning or replace the injector for cylinder 1.
• Step 6: Compression test
  • Perform a compression test on all cylinders, pay particular attention to cylinder 1. Compare results to the others. Significantly low compression on cylinder 1 points to mechanical issues (valve seating, piston ring, head gasket, or cam timing).
• Step 7: Fuel pressure and air path checks
  • Test fuel rail pressure with a gauge at idle and under load to ensure it’s within the manufacturer spec.
  • If fuel pressure is low, suspect fuel pump or regulator.
  • Consider a smoke test if no obvious leakage is found to detect vacuum leaks in intake manifold or gasket near cylinder 1.
• Step 8: Review related data
  • Check for related transmission or engine management codes that might influence misfire logic.
  • Check MT/AT engine load and fuel trim values; abnormal fuel trims can point toward a fueling issue (short-term or long-term trim out of range).
• Step 9: Decision point
  • If you identify and fix a specific component (spark plug, coil, injector, vacuum leak, fuel pressure issue), re-run a test drive and confirm P0301 is cleared.
  • If misfire persists after all the above tests, escalate to a professional for more in-depth diagnostics (compression leak-down test, cam/crank timing check, internal engine inspection).

RELATED CODES

• P0300: Random/Multiple cylinder misfire
• P0302: Cylinder 2 misfire
• P0303: Cylinder 3 misfire
• P0304: Cylinder 4 misfire
• Other codes that may accompany misfire in a Rogue (not always present):
  • P0171 or P0174: System too lean or fuel trim issues
  • P0300 with persisted misfire might indicate a broader ignition/fuel issue
    Note: The presence of other codes can help narrow down the root cause but should be interpreted with a live data scan and professional judgment.

REPAIR OPTIONS AND COSTS (2025 PRICES)

Prices vary by region, shop, and whether you use OEM vs aftermarket parts. The Rogue’s 2.5L engine is commonly serviced with coil-on-plug ignition and spark plugs; costs below reflect typical U.S. pricing in 2024–2025, including parts and labor at a general shop rate around $100–$150/hour. All prices are approximate ranges.

• Spark plug replacement (cylinder 1)

  • Parts: ~$5–$25 per plug (OEM or premium iridium may be higher)
  • Labor: ~0.5–1.0 hours
  • Typical total: $60–$180

• Ignition coil replacement (cylinder 1)

  • Parts: ~$40–$120 for OEM or aftermarket coil
  • Labor: ~0.5–1.0 hours
  • Typical total: $110–$260

• Fuel injector cleaning or replacement (cylinder 1)

  • Cleaning solvent or service: ~$10–$50 if cleaning is performed, sometimes included in a maintenance package
  • Injector replacement (if needed): ~$120–$300 for part + ~$100–$250 labor per injector
  • Typical total (injector repair only): ~$120–$550 per injector

• Fuel system or fuel pressure issue (pump/regulator)

  • Pump replacement: ~$200–$600 (parts + labor)
  • Fuel pressure regulator: ~$100–$300 (parts + labor)
  • Typical total: $300–$700

• Vacuum leak / PCV / intake gasket repair

  • Parts: $20–$150
  • Labor: 0.5–2.0 hours
  • Typical total: $100–$500

• Mechanical issues (low compression, valve/seat, piston rings, timing)

  • Extremely variable: $1,000–$4,000+ depending on extent (head work, gasket, timing chain/belt, or more invasive engine work)
  • This category is usually considered only after compression tests indicate a mechanical fault.

• Wiring/connector repair (ignition coil wiring or injector wiring)

  • Parts: $0–$50 (if harness repair is minor)
  • Labor: 0.5–2.0 hours
  • Typical total: $80–$300

• Miscellaneous potential costs

  • Diagnostics fee (if not waived with repair): $80–$150
  • If the vehicle is under warranty or goodwill, some costs may be reduced or covered; check with the dealer or Nissan program for your region.

DIY VS PROFESSIONAL

• DIY feasibility for a typical weekend mechanic
  • Spark plug replacement on a 2.5L Rogue is generally within reach with basic tools; coil-on-plug systems vary by model year but can be replaced with basic hand tools and careful handling.
  • If you have a spark plug tool, torque wrench, and basic electrical testing capability, you can replace a spark plug and test the coil by swapping with another cylinder to diagnose a failing coil.
  • Be mindful of high-voltage ignition components; follow proper safety procedures (disconnect the battery, avoid touching ignition components when the engine is hot, and handle coil-on-plug assemblies carefully).
• When to call a professional
  • If compression test reveals low compression in cylinder 1 or if mechanical issues are suspected.
  • If fuel pressure cannot be verified with basic tools or injector tests are inconclusive.
  • If the misfire persists after spark plug and coil replacement.
  • If you’re not comfortable with using a scan tool to read live data, misfire counters, and long/short-term fuel trims.
• Pros and cons
  • DIY can save money on simple fixes (spark plug, coil, basic vacuum leaks) but may risk missing a deeper mechanical issue if not done comprehensively.
  • A professional diagnostic can quickly identify underlying causes (e.g., injector, compression, timing) and provide a precise repair plan and warranty on parts/labor.

PREVENTION

• Regular maintenance
  • Follow Nissan’s recommended service intervals for spark plugs, ignition components, fuel filters (if applicable), and air filters.
  • Use the correct spark plug type and gap specified for the 2.5L engine (check owner's manual or service data).
• Fuel and air quality
  • Use high-quality gasoline and avoid fuels with questionable additives.
  • Periodically use a fuel system cleaner that is compatible with direct-injected engines, if recommended by Nissan.
• Ignition system care
  • Inspect ignition coils and plug wires at routine service visits; replace worn components proactively.
  • Address any misfire codes promptly to reduce catalyst damage risk.
• Vacuum and intake
  • Keep vacuum lines, PCV system, and intake gaskets in good condition; address leaks quickly.
• Driving habits
  • Warm up the engine if cold, but avoid prolonged idle; moderate acceleration after startup helps the engine seat rings and valves.
• Cooling system relationship
  • Although the provided owner complaint references cooling-system work, P0301 is not inherently a cooling-system code. However, ensure the cooling system is functioning properly, as overheating can contribute to misfire symptoms and overall engine performance issues. Regular cooling-system maintenance reduces potential ancillary issues.

Important data caveats

• The diagnostic guidance above uses general automotive knowledge and Nissan Rogue 2021–2024 engine characteristics. It is not a substitute for a professional diagnostic.
• The data provided from the NHTSA-related section shows:
  • 1 owner complaint mentioning P0301 in a 2021 Rogue with stalling and cooling-system work; this is a single data point and may not reflect typical causes.
  • No recalls listed for this model/year in the provided data.
• Because only one complaint is in the data, do not assume this guide corresponds to that exact case; it’s a general diagnostic framework for P0301 on the 2021–2024 Rogue.