Jul 27, 2025
INFINITI

Trying to start your car and getting nothing but silence or a short click is one of those moments that can throw off your whole day. When it happens, especially with used INFINITI cars that have been reliable up to now, it’s easy to assume the worst. Before you panic and call for a tow, there are usually a few simple reasons your car might not want to start and many you can quickly spot without needing to be a mechanic.

Understanding the basics of how your car starts can help you figure out what might have gone wrong. It also helps you communicate more clearly when you do bring your vehicle in for service. Whether it’s a drained battery, fuel issue, or something in the ignition system, each possibility has its own signs. Here’s what to look out for and where to start troubleshooting if your used INFINITI won’t turn over.

Check The Battery

One of the most common reasons a car won’t start is the battery. Batteries power everything needed to get your engine going, and they tend to show signs of slowing down before they fail. Since hot summer weather, like what we get in July around Massapequa, can dry out battery fluids and wear down internal components, this is often the first place you want to check.

Here’s how to spot a battery issue:

  • Interior lights are dim or won’t turn on
  • Dashboard display is flickering or doesn’t light up
  • Clicking sounds when you try to start the engine
  • Nothing happens at all when you turn the key or press the button

If you have jumper cables and another vehicle with a working battery, you can try a jump-start. It’s a good short-term fix, but you’ll still want a follow-up test in case the battery isn’t holding a charge anymore. Most batteries last a few years, so if yours is older and you’re noticing slow starts, it may be time to replace it.

Also, take a moment to look at the battery terminals. If they’re covered in white or blue powder or look corroded, they might not be making a good connection. Don’t try to scrape them clean without gloves and proper tools. Just note it and mention it if you call for service.

Inspect The Fuel System

Once you’ve ruled out the battery, the next step is fuel. It might seem obvious, but sometimes the cause of a no-start is as simple as a near-empty tank. If the gauge hasn’t moved or seems off, keep in mind that sending units can fail and provide false readings.

Beyond fuel level, there could be issues in how the fuel gets to the engine. For example:

  • Fuel pump isn’t running when the key is turned on
  • You hear a whining sound under the car that goes away when trying to start
  • Engine cranks but doesn’t catch or sputters out quickly

Used INFINITI cars may develop wear or slowdown with fuel delivery parts over time. Fuel pumps in particular can fail gradually, especially if the vehicle has run low on gas often. Dirt or build-up in the fuel filter can also block delivery.

If you’ve recently filled up and the car still won’t start, it’s best not to guess. Continuing to crank the engine can run down the battery and cause extra wear. At this point, it helps to have a technician run a diagnostic check on the system and look over both the fuel pump and injectors.

Examine The Starter And Ignition System

Sometimes when your car won’t start, the problem might lie with the starter or the ignition system. The starter is a small motor that helps spin the engine to get it going. If you turn the key or press the start button and hear a single click, or nothing at all after the instrument panel lights up, it could signal a problem here.

To check for potential starter issues:

  • Listen for a loud click when the key is turned
  • Look for dimming dashboard lights when trying to start
  • Notice if the engine cranks slowly or not at all

If it seems like the ignition isn’t doing its job, the issue could be with the ignition switch or even the key fob’s battery. When the ignition switch fails, turning the key might not trigger anything. Similarly, if using a key fob, a weak button battery might stop it from signaling the ignition system.

To diagnose:

  • Try starting with a spare key to rule out key problems
  • Check if shaking or jiggling the key helps
  • Ensure the vehicle is in Park or Neutral and try again

Handling these systems might require more specialized knowledge, so if you’re not getting anywhere, it may be time to call in the experts.

Evaluate Electrical Connections And Fuses

If everything else appears fine, the last common checkpoint is the electrical system. Modern cars rely heavily on electronic controls and wiring to function. Even a small issue with a connection or fuse can prevent the engine from starting.

Here’s what to look for:

  • Blown fuses in the fuse box
  • Loose or disconnected wiring
  • Any signs of rodent damage, like chewed wires

Start by checking the main fuse box, often located under the hood or near the driver’s side dash. A blown fuse might be a minor fix, yet it’s a clear indicator something else might be wrong in the larger circuit. Proper tools and a bit of care can help in inspecting the wiring and connections on your own, but avoid poking around too much if you’re unsure.

Getting Professional Help

Sometimes, despite all efforts, the problem persists. When checking leads to a dead end or if you’re uncomfortable inspecting these components yourself, it’s best to reach out for professional assistance. Mechanics can run comprehensive diagnostics that can pinpoint the exact issue without guesswork.

Knowing when to call a technician comes with understanding both your and your car’s limits. A professional service not only addresses immediate issues but can often foresee future ones. With summer around Massapequa being so busy, nobody wants an unexpected breakdown adding to the list of things to worry about.

Keep Your INFINITI Running Smoothly

In the end, staying ahead with regular check-ups and maintenance can prevent most starting issues from ever happening. Regular service keeps critical systems running smoothly and ensures wear and tear are managed before they cause problems. You’ll not just save on future costly repairs but also glide through all your summer trips with greater peace of mind.

Remember, cars are like companions on the road. Treat them well with timely care, and they’ll be there for all your adventures. Regular attention can truly help maximize your INFINITI’s potential, keeping you confidently on the move.

With regular upkeep and expert service, your INFINITI will continue to perform beautifully and keep you on the move. Explore our selection of used INFINITI cars to find a model that fits your needs and style. INFINITI City of Massapequa is here to ensure your vehicle runs smoothly for years to come.