CAR & DIAGNOSTICS TESTING SERVICES
A vehicle diagnostics test helps identify what’s causing performance issues, warning lights, or unusual behavior in your car. Learn how diagnostics work, what’s included, and how we can help pinpoint the problem and recommend the right repair. Schedule your diagnostics service today.
DO YOU NEED A VEHICLE DIAGNOSTICS TEST?
If your vehicle isn’t running as expected or a warning light appears, a diagnostics test can help identify the issue before it leads to more costly repairs. Watch for these common signs that your vehicle may need diagnostics testing:
- Check engine light is on
- Decreased fuel efficiency
- Rough idling or engine misfires
- Loss of power or poor acceleration
- Unusual noises or vibrations
- Trouble starting or stalling
- Warning lights for other systems (ABS, battery, etc.)
Safety Note: If your check engine light is flashing, your vehicle is stalling, or performance has dropped significantly, more serious issues may be present. Continued driving could cause further damage, so have your vehicle inspected by a Firestone professional as soon as possible.
EXPERT VEHICLE DIAGNOSTICS SERVICES
Get clear answers about what’s going on with your vehicle. Firestone Complete Auto Care uses advanced diagnostic tools and expert analysis to identify issues quickly and recommend the right repairs.
COMPUTER DIAGNOSTIC TESTING
- Scan onboard systems for error codes
- Identify issues triggering warning lights
- Provide a starting point for repairs
SYSTEMS INSPECTION & ANALYSIS
- Inspect engine and key vehicle systems
- Analyze performance and drivability issues
- Help pinpoint root causes
ELECTRICAL SYSTEM DIAGNOSTICS
- Test sensors, wiring, and connections
- Identify electrical faults or failures
- Recommend repairs to help restore proper system function
PERFORMANCE & DRIVABILITY DIAGNOSTICS
- Diagnose rough running or loss of power
- Evaluate fuel and ignition systems
- Recommend targeted repairs
WHAT HAPPENS DURING A VEHICLE DIAGNOSTICS TEST?
- WHAT WE DO: Use advanced diagnostic tools to scan your vehicle’s systems, retrieve error codes, and perform targeted testing to identify the root cause of the issue.
- WHAT QUALIFIES: Warning lights, performance issues, unusual noises, reduced fuel efficiency, or any concern where the cause isn’t immediately clear.
- WHAT DOESN’T QUALIFY: The diagnostic trouble code (DTC) is effectively the “tip of the iceberg”. The trouble code takes you to “an area” for further testing to properly determine where the real fault is. The diagnostic fee allows us the time to thoroughly test and accurately determine the real cause of the warning light so we can recommend further service.
- INCLUDED CHECKS: We may inspect engine performance, sensors, electrical systems, and key components to confirm the issue and rule out related problems.
- AVERAGE SERVICE TIME: Most diagnostic tests can be completed in about 30–60 minutes, though more complex issues may require additional time for deeper analysis.
- SERVICE INTERVAL: Diagnostics aren’t scheduled at set intervals. It’s recommended anytime a warning light appears or your vehicle isn’t performing as expected.
VEHICLE DIAGNOSTICS TEST FAQS
Not sure what a diagnostics test can tell you? Here are answers to common questions to help you understand the process and what to expect.
A car diagnostics test uses specialized tools to scan your vehicle’s systems, identify error codes, and help pinpoint the cause of performance issues or warning lights.
It checks key systems like the engine, transmission, emissions, and electrical components to identify faults or irregular performance.
Most tests take about 30–60 minutes. More complex issues may require additional time for further inspection.
Diagnostics provide valuable insight into the issue, but additional testing or inspection may be needed to confirm the exact cause and recommended repair.
If the light is steady, you may be able to drive short distances, but it should be checked soon. If it’s flashing, it could indicate a serious issue—schedule service as soon as possible.
LIMITED-TIME OFFERS & COUPONS
Save on your next visit to Firestone Complete Auto Care. Explore current offers on repair services to help identify issues early and avoid costly repairs.
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SCHEDULE VEHICLE DIAGNOSTICS TESTING NEAR YOU
Find your nearest Firestone Complete Auto Care to schedule a vehicle diagnostics test.
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ADDITIONAL REPAIR SERVICES RECOMMENDED FOR YOU
Once the issue is identified, follow-up services can help restore performance and prevent further problems. Firestone Complete Auto Care offers a full range of repair solutions.
