Frequently Asked Questions

How much does a check engine light diagnostic cost for a 2026 Alfa Romeo Tonale?

• Typical diagnostic fees range from about $100 to $200 depending on the scan depth and road testing required.
• At Herb Chambers Alfa Romeo of Millbury we often provide more value—lower overall costs than many independent shops—because factory tools and trained technicians reduce repeat repairs and diagnostic time.
• If the issue is covered under warranty, repairs must be performed at a certified dealership to remain eligible for coverage.
• We’ll outline immediate repair costs and long-term savings so you understand the total ownership impact.

What is the first thing to check when the check engine light comes on?

• Check the gas cap: a loose or damaged cap is a common, simple cause and can clear the light once tightened.
• Observe vehicle performance—loss of power, rough idle, or unusual noises—and any accompanying dashboard messages.
• Review recent fuel type and fill-ups—use of premium unleaded as recommended helps prevent certain knock and sensor codes.
• If the light persists, schedule a diagnostic with our factory-trained technicians at Herb Chambers Alfa Romeo of Millbury to protect warranty and long-term value.

What is the most common reason for check engine light on a 2026 Alfa Romeo Tonale?

• The most frequent causes include a loose gas cap, failing oxygen sensor, EVAP leak, or ignition misfire due to spark or coil issues.
• Modern vehicles like the Tonale also trigger codes for catalytic converter efficiency or evaporative emissions system faults.
• Early diagnosis at a certified dealership can prevent minor issues from becoming costly repairs and ensures warranty compliance.
• Our technicians use OEM procedures to pinpoint the root cause quickly and reduce long-term ownership costs.

What does it mean when the check engine light comes on in a 2026 Alfa Romeo Tonale?

• It indicates the vehicle’s onboard diagnostics detected an emissions or powertrain fault—anything from a sensor fault to a misfire.
• Some faults are benign (e.g., loose gas cap) while others affect drivability or emissions and require prompt service.
• Because the Tonale is a luxury crossover with specialized components, a certified diagnostic at Herb Chambers Alfa Romeo of Millbury ensures accurate repair and warranty protection.
• We’ll explain immediate costs, expected repairs, and how dealer service delivers long-term savings through proper fixes and OEM parts.

How long does a check engine light service take?

• Standard diagnostics often take 30–90 minutes; complex issues or road tests can extend that timeline.
• Simple repairs like tightening a gas cap or replacing an inexpensive sensor may be completed the same day.
• More involved repairs—ignition or catalytic work—can take several hours to a full day depending on parts availability.
• Scheduling service with our shop minimizes wait time; repairs covered under warranty must be done at a certified dealership to remain valid.