2018 Dodge Challenger Won't Start

Resolve Starting Issues for Your 2018 Dodge Challenger

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Reviewed by
Bo Fader
Written by RepairPal Car Genius
Updated January 14, 2025
0%
38% chance it's the
Battery
0%
27% chance it's the
Alternator
0%
20% chance it's the
Starter
0%
15% chance it's
Something else
The most common reasons a 2018 Dodge Challenger won't start are a dead battery, an alternator problem, or failed starter.
  • Battery: A weak or failing battery can result in difficulty starting the engine and electrical system malfunctions.
  • Alternator: A failing alternator can result in insufficient electrical power, leading to battery drain and electrical system malfunctions.
  • Starter: A faulty starter motor or a weak battery can prevent the engine from cranking properly, leading to starting issues.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

What are the initial diagnostic steps to take for a 2018 Dodge Challenger that won't start?

When your 2018 Dodge Challenger refuses to start, it's essential to adopt a methodical diagnostic approach to identify the root cause. Begin by checking the battery, as a dead or weak battery is often the most straightforward issue to resolve. If the battery appears fine, inspect the fuel level to ensure there’s enough gas in the tank, as running out of fuel can easily be overlooked. Next, verify the ignition switch's functionality; a malfunction here can prevent the engine from cranking. If these initial checks don’t yield results, examine the starter motor, as a faulty starter is a common culprit in starting issues. Additionally, using an OBD-II scanner to check for error codes can provide valuable insights into any underlying problems. Finally, inspect the fuses related to the starting system, as a blown fuse can disrupt the entire process. By following this structured approach, you can effectively narrow down the potential causes and take the necessary steps to get your Challenger back on the road.

What are the common problems that could cause a 2018 Dodge Challenger to not start?

When your 2018 Dodge Challenger refuses to start, it can be frustrating, but understanding the common problems can help you diagnose the issue effectively. One of the first things to check is the battery; a dead or weak battery is often the primary reason for starting failures. If the battery is old or has been subjected to extreme temperatures, it may need a jump start or replacement. Next, consider the starter motor; if it’s faulty, it won’t engage the engine, leaving you stranded. Fuel delivery issues can also be a culprit, so inspect the fuel filter and pump for clogs or malfunctions. Additionally, ignition components like the ignition switch, coil, or spark plugs should be examined, as any faults here can disrupt the starting process. Don’t overlook the vehicle’s security system, as a malfunctioning immobilizer can prevent the engine from starting altogether. Lastly, a faulty alternator can drain the battery, leading to similar starting issues. By systematically checking these areas, you can identify and resolve the problem, getting your Challenger back on the road in no time.

How urgent is it to address the starting issue in a 2018 Dodge Challenger?

When dealing with a starting issue in a 2018 Dodge Challenger, understanding the urgency of the situation is crucial for both safety and vehicle longevity. If the vehicle fails to start completely, it is imperative to address the problem immediately to avoid being stranded or risking further damage to the engine or electrical system. Intermittent starting problems, while seemingly less urgent, can escalate into more severe issues if left unchecked, potentially leading to a complete breakdown. Additionally, the presence of warning lights on the dashboard or unusual noises during the starting process should not be ignored, as these symptoms often indicate underlying problems that could compromise the vehicle's safety and performance. Seeking a professional diagnosis can provide clarity on the urgency of the issue and guide necessary repairs, ensuring that your Challenger remains reliable and safe on the road. Prompt attention to these starting issues not only enhances your driving experience but also prevents costly repairs down the line.

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2018 Dodge Challenger Won't Start: Causes & Solutions