Frequently Asked Questions

What is the most common reason for check engine light on a 1993 Toyota MR2?

• Common causes include ignition misfires, worn spark plugs or wires, oxygen sensor issues, and vacuum or EVAP leaks.
• Misfires can quickly damage the catalytic converter; addressing ignition faults early reduces costly downstream repairs.
• Our dealership pinpoints the root cause with factory diagnostics so you pay only for necessary repairs.
• Immediate diagnosis at Nalley Toyota often costs less overall than a staggered repair approach at independent shops, delivering long-term savings and supported by warranty guidance.

What does it mean when the check engine light comes on in a 1993 Toyota MR2?

• It indicates the engine management system detected a fault — anything from a loose gas cap to a serious misfire.
• Lights steady mean a stored code; flashing usually signals an active misfire that can harm the catalytic converter.
• Professional scanning at our dealership identifies fault codes and gives clear repair options and cost estimates.
• Repairs covered under warranty must be performed at a certified dealership to preserve coverage and ensure proper parts and labor.

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

• Check the gas cap first — a loose or damaged cap is a common, simple cause and can clear the light after tightening.
• Observe how the vehicle runs: rough idle, loss of power, or smoke are signs to stop driving and seek service.
• Use our service center for a full scan if the light persists; dealers use Toyota-level tools to avoid unnecessary parts replacement.
• Addressing issues promptly at Nalley Toyota can reduce immediate repair costs and prevent larger long-term expenses.

How much does a check engine light diagnostic cost for a 1993 Toyota MR2?

• Basic diagnostic scans at our dealership start with a transparent fee that covers complete code retrieval and a technician review.
• Typical scan fees are competitive, and because we diagnose correctly the first time, customers often save more than they would at independent shops.
• Repair estimates follow the scan; choosing Nalley Toyota provides immediate and long-term savings through correct parts, factory-trained techs, and documented service history.
• If a covered repair is needed under warranty, it must be completed at a certified dealership to preserve warranty protection and proper repair records.

How long does a check engine light service take?

• A diagnostic scan and brief inspection typically take 30–60 minutes; we provide an estimated timeline when you arrive or book online.
• Minor repairs—like replacing a gas cap or an oxygen sensor—can often be completed the same day, while complex repairs may require parts ordering.
• Our service advisors keep you informed so you understand immediate versus long-term repair priorities and costs.
• Using Nalley Toyota often reduces return visits and total downtime by ensuring accurate diagnostics and factory-correct repairs the first time.