Why is my Dodge Dart struggling to start?

A Dodge Dart that struggles to start is most often due to a weak battery, a failing starter, or problems with the fuel or ignition systems. In some cases, the vehicle’s security/immobilizer system can prevent starting if the key isn’t recognized.

Across model years around 2013–2016, Darts share several failure points with other modern cars: electrical issues, fuel delivery problems, and security-system quirks. This article outlines the common causes, how to diagnose them, and when to seek professional help.

Common causes in the Dodge Dart

Below are the categories that most frequently lead to starting trouble. Each item can present itself differently, from a hard crank to a no-crank condition, or the engine turning over but not catching.

• Dead or weak battery or corroded/loose battery terminals


• Faulty or failing alternator, or a weak charging system



• Ignition switch issues or damaged wiring in the ignition circuit


• Immobilizer/anti-theft system not recognizing the key or a faulty key fob


• Fuel delivery problems (empty tank, failing fuel pump, clogged fuel filter)


• Ignition components wear (spark plugs, ignition coils) leading to no-spark conditions


• Blown fuses or damaged wiring within the starting or fuel-supply circuits


• Engine mechanical problems (rare in normal daily conditions, such as a seized engine) affecting starting

Diagnosing begins with simple electrical checks and can progress to more involved fuel or security-system tests. If symptoms persist, professional inspection is advised to avoid unintended damage.

Diagnostic steps to identify the problem

Before you start the list, note that safety and basic tools are needed: a basic multimeter, a flashlight, and, if possible, an OBD-II scanner. If you’re uncomfortable with any step, contact a qualified technician.

1. Test the battery voltage with the car off and then while attempting to start. A healthy battery should read about 12.6 volts at rest; it should not drop drastically while cranking. If the voltage is low or drops quickly, the battery or connections may be the problem.


2. Inspect battery terminals and cable ends for corrosion, looseness, or damage. Clean and tighten as needed, and consider replacing swollen or frayed cables.


3. Listen for sounds when turning the key or pressing the start button. A rapid clicking sound often points to a weak battery or a fault in the starter/solenoid; no sound can indicate ignition or immobilizer issues.


4. Check the alternator and charging system. With the engine running, a healthy alternator should output roughly 13.5–14.5 volts. If it’s lower, the alternator may be failing and not charging the battery.


5. Look for the security/immobilizer indicator on the dashboard. If it stays lit or blinks, the key may not be recognized. Try a spare key or consult a dealer if immobilizer faults are suspected.


6. Verify fuel delivery. If you turn the key to ON and don’t hear the fuel pump priming, or if the engine cranks but won’t start after a moment, there could be a fuel-pump or filter issue, or a pressure problem in the rail.


7. Scan for trouble codes with an OBD-II reader. Codes related to crank/cam sensors, misfires, or fuel/spark systems can help pinpoint the failing component.


8. Consider sensor and ignition components. Worn spark plugs, faulty ignition coils, or failing crank/cam sensors can prevent the engine from starting or cause intermittent no-start conditions.


9. If the engine turns over normally but still won’t catch, investigate mechanical issues only after electrical and fuel systems are ruled out. A professional may perform a compression test or further inspection.

These steps provide a practical, structured approach to identify the root cause without jumping to conclusions. If you find a clearly bad component (e.g., dead battery, obvious wiring damage, or a failed fuel pump), address it accordingly or consult a shop for a precise diagnosis.

Dodge Dart-specific considerations

Though many causes overlap with other cars, the Dart’s age group has some model-year specific quirks worth knowing. Particular attention is often given to the immobilizer system and related key programming, as well as the reliability of the electrical harnesses and sensors used by the engine management computer.

Security system and key programming

The Dart uses an immobilizer system that can prevent cranking if the key isn’t recognized. In some cases, a dead or damaged key fob, a weak battery in the fob, or a failed receiver in the car can trigger no-start conditions. Solutions may include using a spare key, reprogramming the key, or dealer-level diagnostics to reset the system.

If the security light remains on or you see an immobilizer warning, avoid repeated attempts that could trigger protective cycles. Instead, consult a professional to verify valid key recognition and module status.

Summary

Starting difficulties in a Dodge Dart most often trace back to the battery or charging system, the starter, fuel delivery, or ignition components, with immobilizer issues as a notable possibility. A methodical check—beginning with electrical health, then fuel delivery, then security signals—helps isolate the cause. If DIY diagnostics don’t reveal a clear fault or if suspicious symptoms persist, seek a trained technician to prevent unintended damage and ensure proper system diagnosis.

What are the common issues with the dart?

You may even have a check engine light that's flashing with a P0300. Code also when the ignition coils do fail. You want to replace the spark plugs as well. And you can get these parts at 1a.com.

Why is my Dodge Dart not starting sometimes?

When a 2015 Dart SXT won't crank but lights work, check the starter relay and battery terminals first. Corroded or loose battery connections can prevent sufficient current flow. Inspect the starter motor for signs of wear or damage. Testing the neutral safety switch and ignition switch can also help identify faults.

What are the most common issues with Dodge Darts?

Common problems with the Dodge Dart include issues with the engine and transmission, excessive oil consumption, and a shifter cable defect that can cause a rollaway risk. Other reported problems are with the suspension system, battery failure, ignition coils, and the Bluetooth module. A significant 2013-2016 model year recall addresses the rollaway risk due to a faulty shifter cable. 
This video discusses common problems and recalls for the Dodge Dart: 57scar PROblemsYouTube · Oct 3, 2022
Engine and transmission

• Engine stalling: Can be caused by faulty sensors, ignition coils, fuel system components, or battery/alternator issues. 
• Excessive oil consumption: Particularly notable in the 2015 model year, some engines may consume excessive oil. 
• Transmission issues: Both automatic and manual transmissions have been a source of problems, with some automatic models suffering from sluggish performance. 
• Ignition coils: Failure of the ignition coils can lead to rough running and other performance issues. 

Recalls and safety

• Rollaway risk: A major recall for model years 2013-2016 addresses a shifter cable defect where the car could roll away even when in park. 

Other common issues

• Suspension problems: Worn-out suspension mounts can cause vibrations, especially at idle. 
• Bluetooth module: The infotainment system's Bluetooth module is a frequent point of failure. 
• Coolant hose fittings: Plastic T-connectors in the cooling system can fail and are best replaced with metal ones. 
• Battery failure: Some owners have reported issues with the battery. 
• Brake-related issues: Brakes have been cited as a problem area for some owners. 
• Broken sun visor: The sun visor is a recurring complaint. 

Why is my car struggling to start but running fine?

A car that struggles to start but runs fine afterward is often caused by a failing battery, alternator, or starter motor, as these components are crucial for starting but less critical for running. Other possible culprits include issues with the fuel delivery system, a clogged air filter, or worn spark plugs. 
Potential causes and solutions
This video explains the common reasons why a car struggles to start: 57sMore AutomotiveYouTube · Jun 28, 2025

• Battery: A weak or aging battery may not have enough power to crank the engine, even if it still runs once the engine is on. 
  • Check: Test the battery voltage. If it drops below 101010 volts while cranking, it's likely the issue. 
  • Fix: Clean corroded terminals or replace the battery if it's old or not holding a charge. 
• Alternator: A faulty alternator can't recharge the battery while the car is running, leading to starting problems. If the battery voltage is low while the car is running, the alternator is likely the culprit. 
  • Fix: Have the alternator tested to see if it's producing the correct voltage (around 141414 volts while the engine is running). 
• Starter motor: A failing starter motor can struggle to turn the engine over, sometimes making a clicking or slow cranking sound. 
  • Check: Listen for a "clicking" sound when you try to start the car, which can indicate a failing starter. 
  • Fix: The starter may need to be replaced. 
• Fuel system: Issues like a failing fuel pump or clogged fuel filter can prevent enough fuel from reaching the engine during startup. 
  • Fix: This requires a professional inspection to diagnose and fix the specific problem. 
• Spark plugs: Worn-out spark plugs can have trouble igniting the fuel-air mixture, leading to a difficult start. 
  • Fix: Replace the spark plugs if they are old or worn out. 

This video explains how to test a fuel pump: 1m8020 AutomotiveYouTube · Dec 31, 2023
Next steps
Because multiple components can cause this issue, the best course of action is to have a professional mechanic inspect your car to accurately diagnose the problem. They can perform a thorough check of the battery, alternator, starter, and fuel system to determine the exact cause.