INFINITI G35 Won't Start

Common Causes for Your INFINITI G35 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 INFINITI G35 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.

Troubleshooting Starting Issues in an INFINITI G35

When faced with starting issues in your INFINITI G35, it's essential to adopt a methodical diagnostic approach. Begin by checking the battery and alternator, as these are often the culprits behind starting failures. Ensure that the battery terminals are clean and securely connected, and test the alternator's output to confirm it is functioning correctly. If the battery and alternator are in good condition, move on to the ignition system. Inspect the ignition connections for corrosion or damage, and consider cleaning or replacing components as necessary. Next, examine the cam position sensors; disconnecting each sensor one at a time can help identify if one is faulty. If your vehicle experiences intermittent starting issues, it may be worth investigating the fuel system, as excess fuel can lead to starting difficulties. Throughout this process, keep in mind the importance of thorough diagnosis, as understanding the specific issue will not only aid in repairs but also help you estimate potential costs. By following this structured approach, you can effectively troubleshoot and resolve starting problems in your INFINITI G35.

What to Check When Your INFINITI G35 Won't Start?

When your INFINITI G35 refuses to start, it can be frustrating, but understanding common problems can help you troubleshoot the issue. Start by examining the battery, as a dead or weak battery is often the primary culprit. Look for signs such as dim interior lights or a clicking sound when you turn the key. If the battery seems fine, the next component to check is the alternator, which is responsible for charging the battery while the engine runs. A malfunctioning alternator may not provide sufficient power, leading to starting difficulties. Additionally, inspect the starter motor; if it fails, the engine won't turn over, and you may hear a grinding noise or nothing at all when attempting to start. Don't overlook the fuses and relays, particularly those related to the fuel pump, as a blown fuse can disrupt the starting process. Ensure that the fuel system is functioning correctly by checking for adequate fuel pressure and listening for the fuel pump's hum when turning the key to the accessory position. Lastly, examine the ignition system, including the ignition coils and spark plugs, for any signs of wear or damage, as these can prevent the engine from firing. By methodically checking these components, you can identify the issue and take the necessary steps to get your INFINITI G35 back on the road.

Why is My INFINITI G35 Not Starting?

When your INFINITI G35 refuses to start, it’s crucial to act promptly, as neglecting the issue can lead to more severe problems and safety risks. A dead battery, faulty alternator, or malfunctioning starter are common culprits that can leave you stranded, and if the check engine light is illuminated, it may indicate deeper issues such as engine cooling system failures or circuit board malfunctions. Additionally, insufficient compression, worn spark plugs, or low fuel pressure can prevent your engine from firing, even if it attempts to turn over. Ignoring these symptoms not only risks further damage to your vehicle but can also compromise your safety on the road. Therefore, it’s essential to systematically check components like the battery, alternator, and starter, as well as inspect fuses, relays, and ignition coils to pinpoint the exact cause of the starting issue. By addressing these problems promptly, you can avoid costly repairs and ensure your G35 remains reliable and safe to drive.

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INFINITI G35 Won't Start? Common Causes & Solutions