P0305 on Nissan
Cylinder 5 Misfire Detected
P0305 on Nissan vehicles indicates cylinder 5 misfire detected. Au7o has documented this code across 2 Nissan models — most commonly on Armada, Maxima. This code means the engine control module detected a misfire on cylinder number 5, meaning that cylinder is not burning its air-fuel mixture properly on some combustion cycles. The computer senses misfires by watching for tiny fluctuations in crankshaft speed each time a cylinder fails to fire correctly. A misfire wastes fuel, can make the engine run rough or shake, and dumps unburned fuel into the exhaust, which can overheat and damage the catalytic converter. It generally points to a problem with spark, fuel delivery, or compression specifically affecting cylinder 5. Typical repair costs on Nissan range from $150 to $1,500, depending on the specific model and root cause.
Common Causes of P0305
- •Worn or fouled spark plug on cylinder 5
- •Failed ignition coil or coil pack for cylinder 5
- •Faulty or clogged fuel injector on cylinder 5
- •Vacuum or intake air leak affecting that cylinder
- •Bad spark plug wire or boot (on applicable engines)
- •Low compression from worn rings, valves, or head gasket
- •Carbon buildup or sticking valve on cylinder 5
- •Lean or rich fuel condition affecting the cylinder
P0305 on Nissan by Model
Nissan Armada(1 issue)
- VVEL Solenoid Failure (VK56VD Engine)2017-2024
The 2017+ Armada uses the VK56VD 5.6L V8 with VVEL (Variable Valve Event and Lift) which is prone to solenoid and actuator failures. The VVEL solenoids can stick or fail, causing rough idle, misfires, and reduced power. This is a common issue shared with the Infiniti QX80. Replacement requires removing the intake manifold.
Nissan Maxima(1 issue)
- Ignition Coil Failure (VQ35DE)2004-2015
The VQ35DE engine in the 6th and 7th generation Maxima is prone to ignition coil failure. Coils typically fail one at a time, causing misfires on the affected cylinder. The rear bank (cylinders 1-3) coils fail more frequently due to heat soak from the firewall proximity. Coil failure is especially common after 60,000-80,000 miles and is one of the most reported Maxima issues.
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View P0305 across all makes →Frequently Asked Questions
What does P0305 mean on Nissan?▼
P0305 stands for "Cylinder 5 Misfire Detected." This code means the engine control module detected a misfire on cylinder number 5, meaning that cylinder is not burning its air-fuel mixture properly on some combustion cycles. The computer senses misfires by watching for tiny fluctuations in crankshaft speed each time a cylinder fails to fire correctly. A misfire wastes fuel, can make the engine run rough or shake, and dumps unburned fuel into the exhaust, which can overheat and damage the catalytic converter. It generally points to a problem with spark, fuel delivery, or compression specifically affecting cylinder 5. On Nissan specifically, this code is documented across 2 models.
What causes P0305 on Nissan vehicles?▼
Common causes on Nissan: Worn or fouled spark plug on cylinder 5, Failed ignition coil or coil pack for cylinder 5, Faulty or clogged fuel injector on cylinder 5, Vacuum or intake air leak affecting that cylinder, Bad spark plug wire or boot (on applicable engines). Specific causes vary by model and year — see the per-model sections below.
How much does it cost to fix P0305 on a Nissan?▼
Repair costs on Nissan range from $150 to $1,500, depending on the specific model and root cause.
Which Nissan models have P0305 documented?▼
Au7o has documented P0305 on 2 Nissan models: Armada, Maxima.