2021 Volvo S90 Won't Start

Troubleshooting Common Issues That Prevent Your 2021 Volvo S90 from Starting and How to Resolve Them

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Reviewed by
Andrew Hajjar
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 2021 Volvo S90 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 when a 2021 Volvo S90 won't start?

When faced with a situation where your 2021 Volvo S90 won't start, it's essential to adopt a systematic diagnostic approach to identify the root cause effectively. Begin by checking the battery, as a weak or dead battery is often the primary culprit behind starting issues. If the battery appears fine, inspect the key fob, especially if your vehicle utilizes a keyless entry system; a depleted key fob battery can prevent the car from starting. Next, ensure that the gear is in the correct position, as many vehicles require the transmission to be in Park or Neutral for the engine to start. Pay attention to any warning lights on the dashboard, as these can provide valuable insights into specific problems. If the battery seems to be the issue, attempting a jump-start with another vehicle can be a quick solution. Additionally, check the fuse box for any blown fuses that might be affecting the starting system, and don’t forget to verify that there’s enough fuel in the tank, as a low fuel level can also hinder the starting process. By following these steps in order, you can efficiently narrow down the potential causes and take the necessary actions to get your Volvo S90 back on the road.

What are the common problems that could cause a 2021 Volvo S90 to not start?

When troubleshooting a 2021 Volvo S90 that won't start, it's essential to consider several common problems that could be at play. A dead battery is often the first suspect, as it can result from age, extreme weather conditions, or simply leaving the lights on. If the battery is functioning properly, the next area to investigate is the starter motor; a malfunctioning starter can prevent the engine from turning over. Additionally, issues within the fuel system, such as a clogged fuel filter or a failing fuel pump, can hinder the vehicle's ability to start. It's also important to check the ignition switch, as a faulty switch can disrupt the starting process when the key is turned. Worn or faulty spark plugs may lead to ignition problems, making it difficult for the engine to start. Lastly, consider the ignition system as a whole; problems with components like the ignition coil or distributor can also affect starting. By systematically addressing these potential issues, you can effectively diagnose and resolve the starting problems with your Volvo S90.

How urgent is it to address the starting issue in a 2021 Volvo S90?

Addressing a starting issue in a 2021 Volvo S90 is of paramount importance, as neglecting such problems can lead to significant safety risks and potential damage to the vehicle. If the car fails to start altogether, immediate action is necessary to prevent being stranded or facing more severe complications down the line. Warning lights or indicators related to the starting system should not be ignored, as they often signal underlying issues that could escalate if left unaddressed. Even intermittent starting problems warrant prompt attention, as they may indicate a deeper mechanical failure that could worsen over time. Conducting a diagnostic check with a qualified mechanic can provide clarity on the urgency of the situation and help pinpoint the root cause of the issue. Furthermore, maintaining a regular service schedule is crucial in preventing starting problems and ensuring the overall health of your vehicle. In summary, timely intervention is essential for any starting issue in a 2021 Volvo S90 to safeguard both the vehicle's performance and the safety of its occupants.

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