2008 INFINITI FX35 Won't Start

Common Causes for Your 2008 INFINITI FX35 Not 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 2008 INFINITI FX35 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 2008 INFINITI FX35 that won't start?

When your 2008 INFINITI FX35 refuses to start, it's essential to adopt a methodical diagnostic approach to pinpoint the issue. Begin by checking the battery, as a weak or dead battery is often the most common culprit behind starting problems. Ensure that the battery terminals are clean and securely connected. Next, verify the fuel level in the tank; sometimes, a simple oversight like running low on fuel can lead to starting difficulties. If both the battery and fuel levels are adequate, turn your attention to the ignition system. Inspect components such as spark plugs and ignition coils for any signs of wear or damage, as these can hinder the starting process. Utilizing an OBD-II scanner can also be beneficial; it allows you to retrieve error codes from the vehicle's computer, providing insights into potential issues. If the ignition system checks out, examine the starter motor to ensure it is operational, as a malfunctioning starter can prevent the engine from turning over. Lastly, assess the fuel system, including the fuel pump and injectors, to confirm that fuel is being delivered to the engine properly. By following this structured approach, you can effectively diagnose and address the starting issues with your INFINITI FX35.

What are the common problems that could cause a 2008 INFINITI FX35 to not start?

When your 2008 INFINITI FX35 refuses to start, it can be frustrating, but understanding the common problems can help you diagnose the issue. One of the first things to check is the battery; a weak or dead battery is often the primary reason for starting failures. Ensure the battery connections are clean and secure, and test the charge level. If the battery is in good condition, the next component to investigate is the starter motor. A clicking sound when turning the key may indicate a faulty starter that needs replacement. Additionally, the ignition switch can be a culprit; if the key turns without any response from the engine, this component may require attention. Fuel delivery issues are also common, so inspect the fuel system for clogs or a malfunctioning fuel pump, as these can prevent the engine from receiving the necessary fuel to start. Lastly, don’t overlook the spark plugs; worn or fouled plugs can hinder ignition, making it essential to check and replace them as needed. By systematically addressing these areas, you can effectively troubleshoot and resolve starting problems with your INFINITI FX35.

How urgent is it to address the starting issue in my 2008 INFINITI FX35?

When faced with a starting issue in your 2008 INFINITI FX35, understanding the urgency of the situation is crucial for both your safety and the longevity of your vehicle. Starting problems can lead to dangerous situations, especially if they occur unexpectedly while driving or in critical moments when you need your vehicle to perform reliably. Moreover, neglecting these symptoms can exacerbate the problem, potentially causing more severe damage to essential components like the battery, starter, or ignition system, which could result in costly repairs that far exceed the initial inconvenience. For DIY enthusiasts, addressing these issues promptly not only ensures your vehicle remains in optimal condition but also saves you time and frustration associated with unexpected breakdowns. By prioritizing the resolution of starting issues, you can maintain the performance of your INFINITI FX35 and ensure a safer driving experience.

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