Engine Tune-Up Service for Your 2003 Infiniti Q45

Tune-Ups to Help Your Infiniti Q45 Run Better

Is it time for an engine tune-up? If you usually wait until your car has an issue to take it in for service, it could be time for a new way of doing things, particularly if you want to keep your 2003 Infiniti Q45 in tip-top shape. Routine engine tune-ups can bring power back to your Q45. Tune-ups help your engine start smoothly and run efficiently, so you can enjoy improved fuel economy and lower emissions. When you follow the guidelines specified by Infiniti for your vehicle’s tune-up schedule, you’re taking vital steps toward keeping your Q45’s engine running smoother, longer.

Infiniti Q45 Engine Tune-Up Services

The Firestone Complete Auto Care location in your community offers several Infiniti Q45 engine tune-up services. One option is the standard Firestone Tune-Up. This includes the installation of new spark plugs and a visual inspection of your engine’s components, plus a lifetime warranty on parts*. A second service option replaces the air and fuel filter in your Q45. Our third service is a thorough cleaning of the fuel system. During this type of tune-up, we use a three-step process to get rid of harmful varnish, dirt, and carbon deposit buildup in your Q45’s fuel injectors, throttle body, and throttle plate. This can improve your fuel system’s performance (and therefore, your engine’s performance). Keep in mind that your Q45's mileage and maintenance history can uniquely impact its tune-up needs. This means that a tune-up service that’s a great fit for another car may not be optimal for yours. Talk to a technician about your driving style, mileage, and service history to learn more about your vehicle's specific needs.

Where to Get a Infiniti Q45 Tune-Up

If you’re looking for 2003 Q45 engine tune-up services, head to Firestone Complete Auto Care. Not sure when you’re due for a tune-up? Use Infiniti’s recommended maintenance schedule as a reference point, or schedule an appointment ASAP if you notice any of these signs: stalling or shaky idling when you’re stopped, diminished fuel economy, engine knocking, or an illuminated check engine light.

*Ask a Firestone Complete Auto Care teammate about full terms and conditions for warranties.

Common Engine Tune-Up Q&A For 2003 Infiniti Q45s

  • When should Infiniti Q45 spark plugs be replaced? Replace spark plugs on time or about every 30,000 miles or so. Without the spark of electricity created by spark plugs, your engine doesn’t have the combustion it needs to start — which could leave you stranded on the road. Always replace your spark plugs on time based on Infiniti’s recommendations.
  • What do I do if I see a pool of liquid under my Infiniti Q45? Puddles could indicate an oil leak, coolant leak, or brake fluid leak– all of which can critically hurt your engine. Have your engine inspected as soon as you spot a pool of liquid in your usual parking spot.
  • Are hard starts and stops bad for my Infiniti Q45 engine? You can make your driving habits more engine-friendly. Hard starts and stops can increase the stress on engine parts, especially over many years. Boost your fuel economy and care for your engine by using gradual, smooth starts and stops instead.

2003 Infiniti Q45 Maintenance

Take care of your vehicle and it'll take care of you. Click on a service below to learn more about properly maintaining your Infiniti Q45.

2003 Infiniti Q45 Repair

Nothing lasts forever. Even your Infiniti Q45's many parts and pieces. When something breaks, we're ready. Click on a repair below to learn more about 2003 Infiniti Q45 repairs.

Schedule Infiniti Q45 Tune-Up

If your Q45 is acting strange or making new noises, it could be engine tune-up time. Don’t wait until small problems get bigger. Make an appointment now.