P0301 on Dodge
Cylinder 1 Misfire Detected
P0301 on Dodge vehicles indicates cylinder 1 misfire detected. Au7o has documented this code across 8 Dodge models — most commonly on Avenger, Challenger, Charger. P0301 means the engine computer detected a misfire specifically in cylinder 1 — the spark didn't ignite the fuel properly, or the fuel/air mix didn't burn as it should. The computer detects this by sensing tiny variations in crankshaft speed each time a cylinder fires. A misfire wastes fuel, raises emissions, and can damage the catalytic converter if it's severe or persistent (a flashing check engine light usually warns of active, converter-damaging misfires). Because the code points to one specific cylinder, the cause is usually an ignition, fuel, or compression problem isolated to that cylinder. Typical repair costs on Dodge range from $100 to $15,000, depending on the specific model and root cause.
Common Causes of P0301
- •Worn or fouled spark plug in cylinder 1
- •Failed ignition coil or coil pack for cylinder 1
- •Faulty or clogged fuel injector for cylinder 1
- •Vacuum or intake air leak affecting that cylinder
- •Bad spark plug wire (on applicable engines)
- •Low compression (worn rings, leaking or burnt valve, head gasket)
- •Carbon buildup on intake valves
- •Wiring or connector fault to the coil or injector
P0301 on Dodge by Model
Dodge Avenger(1 issue)
- 2.4L Electronic Throttle Body Failure2008-2014
The electronic throttle body fails from carbon buildup and TPS sensor malfunction. Causes rough idle, stalling, hesitation, and check engine light. Common across all 2.4L World Engine applications.
Dodge Challenger(2 issues)
- HEMI Lifter/MDS Tick2015-2021
HEMI engines with Multi-Displacement System (MDS) can develop a ticking noise from the hydraulic lifters. This is often related to the MDS deactivation system. Some owners disable MDS via tuner to eliminate the issue.
- Pentastar V6 Rocker Arm/Lifter Tick2015-2023
The 3.6L Pentastar V6 engine can develop a ticking noise from worn rocker arms. Unlike the HEMI MDS tick, this is caused by the roller follower rocker arms wearing out prematurely. The issue typically appears between 50,000-100,000 miles and is more common on 2011-2013 engines but can occur on later models.
Dodge Charger(2 issues)
- HEMI MDS Lifter Tick2011-2023
HEMI engines with Multi-Displacement System (MDS) can develop a ticking noise from the MDS lifters. This tick is most noticeable at idle and during light acceleration. While often not causing immediate damage, it can indicate lifter wear that may eventually require attention.
- Pentastar V6 Rocker Arm/Lifter Tick2011-2023
The 3.6L Pentastar V6 can develop a ticking noise often related to the rocker arms or hydraulic lifters. This is common on engines with higher mileage or irregular oil change intervals. Some early Pentastar engines had rocker arm design issues that were later updated.
Dodge Durango(1 issue)
- HEMI MDS Lifter Tick2011-2023
HEMI engines with Multi-Displacement System (MDS) can develop a ticking noise from the MDS lifters. This is most noticeable at idle and during light acceleration. While often not immediately harmful, it can indicate lifter wear.
Dodge Grand Caravan(1 issue)
- Cooling System Failures (3.3L/3.8L V6)2001-2010
The 3.3L and 3.8L V6 engines suffer from water pump failures, thermostat sticking, and radiator fan relay failures. Overheating can cause head gasket failure. Fan relay is the most common single failure point. Same cooling system as Chrysler Town & Country.
Dodge Journey(2 issues)
- Engine Overheating - Thermostat Housing Debris2009-2016
Debris accumulates in cylinder head coolant port at primary thermostat housing, blocking coolant flow and causing overheating. Typically occurs around 78,000 miles. Can cause head gasket failure or engine damage if not addressed.
- Head Gasket Failure2013-2015
2014 models with 2.4L engine notorious for head gasket failures around 100,000 miles. Fails due to overheating issues and possible manufacturing defects in gasket material or cylinder head warping. Plastic thermostat housing contributes to overheating.
Dodge Ram 1500(1 issue)
- 5.9L Magnum Plenum Gasket Failure1994-2003
The 5.9L Magnum V8 intake manifold plenum gasket is a well-known failure point. The factory gasket degrades and allows engine oil to be drawn into the intake, causing oil consumption, misfires, and loss of power. The plenum pan sits atop the intake manifold and the gasket between them deteriorates over time. This is considered an inherent design flaw in all Magnum V8 engines (5.2L and 5.9L). Hughes Engines offers a permanent fix with a billet aluminum plenum plate that eliminates the gasket entirely.
Dodge Viper(2 issues)
- Gen 1 V10 Head Gasket Failure1992-1995
Composite head gasket design inadequate for V10 heat output. Gen 2 (1996+) upgraded to MLS gasket which resolved the issue. Gen 1 owners should upgrade to MLS design during any head work.
- Rod Bearing Failure from Oil Starvation (Track Use)2003-2010
Oil starvation during sustained high-speed cornering causes rod bearing failure and catastrophic engine damage. Oil surges away from pickup during hard lateral loading. Gen 3 (2003-2006) more prone than Gen 4 (2008-2010). Primary risk during track use.
Looking for P0301 on a different make?
View P0301 across all makes →Frequently Asked Questions
What does P0301 mean on Dodge?▼
P0301 stands for "Cylinder 1 Misfire Detected." P0301 means the engine computer detected a misfire specifically in cylinder 1 — the spark didn't ignite the fuel properly, or the fuel/air mix didn't burn as it should. The computer detects this by sensing tiny variations in crankshaft speed each time a cylinder fires. A misfire wastes fuel, raises emissions, and can damage the catalytic converter if it's severe or persistent (a flashing check engine light usually warns of active, converter-damaging misfires). Because the code points to one specific cylinder, the cause is usually an ignition, fuel, or compression problem isolated to that cylinder. On Dodge specifically, this code is documented across 8 models.
What causes P0301 on Dodge vehicles?▼
Common causes on Dodge: Worn or fouled spark plug in cylinder 1, Failed ignition coil or coil pack for cylinder 1, Faulty or clogged fuel injector for cylinder 1, Vacuum or intake air leak affecting that cylinder, Bad spark plug wire (on applicable engines). Specific causes vary by model and year — see the per-model sections below.
How much does it cost to fix P0301 on a Dodge?▼
Repair costs on Dodge range from $100 to $15,000, depending on the specific model and root cause.
Which Dodge models have P0301 documented?▼
Au7o has documented P0301 on 8 Dodge models: Avenger, Challenger, Charger, Durango, Grand Caravan, Journey, Ram 1500, Viper.