1991 GMC Jimmy Engine Tune-Ups & Maintenance

Tune Into Your GMC Jimmy

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 might be time to change your ways, particularly if you want to keep your 1991 GMC Jimmy in tip-top shape. Regular engine tune-ups can optimize your Jimmy’s power on the road. 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 GMC for your vehicle’s tune-up schedule, you can rest assured you’re investing in your Jimmy’s long-term engine performance.

GMC Jimmy Engine Tune-Up Services

The Firestone Complete Auto Care location in your community offers several GMC Jimmy engine tune-up services. The standard Firestone Tune-Up is one service option. The standard Firestone Tune-Up includes new spark plugs (and installation!), a thorough inspection of engine components, and a lifetime parts warranty*. A second service option replaces the air and fuel filter in your Jimmy. 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 Jimmy’s fuel injectors, throttle body, and throttle plate. This goes a long way in boosting your fuel system’s overall performance. Consider this when choosing a tune-up service for your Jimmy: your vehicle’s maintenance record and mileage can determine which service is best. This means that a tune-up service that’s a great fit for another car may not be optimal for yours. Ask one of our technicians what your vehicle needs, based on your driving habits and your car’s current condition.

Where to Get a GMC Jimmy Tune-Up

Schedule your next 1991 Jimmy engine tune-up service at Firestone Complete Auto Care. Not sure when you’re due for a tune-up? Use GMC’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.

*Check with a teammate at Firestone Complete Auto Care for complete terms and conditions regarding warranties.

Common Engine Tune-Up Q&A For 1991 GMC Jimmys

  • Will it hurt my GMC Jimmy to drive with old spark plugs? Replace spark plugs on time or about every 30,000 miles or so. Spark plugs are small but mighty. The spark of electricity that the plug emits across a small gap creates the ignition for the combustion needed to start your car. Without that spark, your car won't start.
  • What do I do if I see a pool of liquid under my GMC Jimmy? 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.
  • What do hard starts and stops do to my Jimmy engine? Hard starts and stops put extra wear and tear on engine components. Smooth, gradual starts and stops, on the other hand, are a great way to help your engine run better. They can also help maximize your fuel economy.

Proactive Maintenance - 1991 GMC Jimmy

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

Repairs on Your 1991 GMC Jimmy

Your car takes care of you, and we’ll take care of your car. When it’s time for a repair on your GMC Jimmy, we’re here to help. Check out more info below about 1991 GMC Jimmy repairs.

Schedule Your GMC Jimmy Tune-Up Service Appointment

Keep your Jimmy running newer, longer. Schedule an engine tune-up as soon as you notice your engine running differently. Make your appointment today.