2010 Acura TSX Check Engine Light

Certified technicians, only the experts.

Frequently Asked Questions

What is the first thing to check when the check engine light comes on in a 2010 Acura TSX?

Check simple items first: a loose or missing gas cap can trigger an EVAP code and is quick to fix.
Verify fuel type—this V6 3.5L engine is optimized for premium unleaded; wrong fuel can affect performance.
Look for obvious signs: unusual noises, smoke, or fluid leaks that indicate a more urgent problem.
If unsure, bring the vehicle to Nalley Acura—factory-trained technicians use OEM tools to confirm the cause.
Remember: warranty-covered repairs must be performed at a certified dealership to preserve coverage.

How much does a check engine light diagnostic cost for a 2010 Acura TSX?

Typical diagnostics range from an initial scan fee to a full diagnostic: expect roughly $80–$150 for a professional diagnosis.
Costs vary by complexity; some causes are inexpensive, others require parts and labor (sensors, ignition, catalytic work).
Nalley Acura often costs less than independent shops while providing factory-trained techs, OEM parts, and detailed inspection, delivering immediate and long-term savings.
If a repair is covered by warranty, it must be completed at a certified dealership to ensure coverage and proper documentation.
We provide clear quotes before any work and explain alternatives to help manage cost and longevity of the vehicle.

What does it mean when the check engine light comes on in a 2010 Acura TSX?

The light indicates the engine management system detected an issue—ranging from minor (EVAP leak) to serious (misfire).
Onboard diagnostics store a code that guides technicians to the subsystem involved: fuel, ignition, emissions, or sensors.
A steady light typically signals a non-immediate issue; a flashing light often warns of conditions that can damage the catalytic converter or engine.
Nalley Acura uses OEM diagnostic tools to identify root causes and recommend repairs that save money over time by preventing bigger failures.
Warranty repairs must be performed at a certified dealership, ensuring quality parts and documented service history.

How long does a check engine light service take?

Basic code retrieval and a preliminary inspection typically take 30–60 minutes depending on appointment volume.
Full diagnostics and test drives can extend to 1–3 hours when pinpointing intermittent issues or multiple stored codes.
If parts are required, repair time depends on part availability; many common items are in-stock at Nalley Acura for faster turnaround.
Our service advisors provide time estimates and options so you know immediate costs and long-term benefits before any work begins.
Warranty-covered work must be performed at a certified dealership to preserve coverage and manufacturer benefits.

2010 Acura TSX Check Engine Light Reset

The check engine light can be reset with an OBD-II scanner, but erasing codes without diagnosing the root cause only hides symptoms. For a 2010 Acura TSX, a proper reset follows a verified repair and confirmation that the fault will not recur. At Nalley Acura, factory-trained technicians use OEM diagnostic software to clear codes and run relearn procedures so systems like EVAP and fuel trims recalibrate correctly. Choosing the dealership saves you money long-term: we prevent repeat trips, avoid unnecessary parts replacement, and ensure any warranty repair is logged and performed by certified technicians. Schedule service through our online service specials to ensure an accurate repair and professional reset.

2010 Acura TSX Check Engine Light Flashing

A flashing check engine light on a 2010 Acura TSX indicates a severe misfire or condition that can rapidly damage the catalytic converter or engine. When the light flashes, reduce load, avoid high speeds, and stop driving if you detect strong vibrations, loss of power, or smoke. Immediate attention is essential: continued driving can multiply repair costs and risk long-term engine harm. Nalley Acura prioritizes flashing-light cases, offering factory diagnostics and secure towing arrangements if needed. Our technicians identify ignition, fuel, or sensor failures and recommend repairs focused on minimizing total ownership cost. Remember, any warranty-covered repairs must be performed at a certified dealership to protect your coverage and vehicle value.

2010 Acura TSX Check Engine Light Codes

Common check engine codes for the 2010 Acura TSX include misfire codes (P0300–P0306), O2 sensor or catalytic efficiency codes, EVAP system leaks (P0440 family), and occasionally MAF or cam/crank sensor faults. Leaving codes unaddressed risks progressive damage: EVAP leaks can worsen emissions and fuel economy; misfires can ruin spark plugs, coils, and the catalytic converter; failing O2 sensors reduce fuel efficiency and performance. Repair costs vary—small fixes like gas caps are inexpensive, sensors typically run a few hundred dollars including labor, while catalytic converter replacement can be significantly more. Nalley Acura’s factory-trained team diagnoses concerns accurately, often costing less than independent shops when you factor immediate and long-term savings, and warranty repairs must be completed at a certified dealership to remain valid.