2010 Dodge Avenger Check Engine Light

Certified technicians, only the experts.
Frequently Asked Questions

Frequently Asked Questions

What does it mean when the check engine light comes on in a 2010 Dodge Avenger?

  • It indicates your vehicle’s onboard diagnostics detected an issue—anything from a loose gas cap to emissions, ignition, or sensor faults.
  • At Larry H. Miller Dodge RAM FIAT Tucson our factory-trained technicians use OEM-level diagnostics to pinpoint the cause quickly and explain repair options clearly.
  • We offer transparent pricing, and performing timely repairs with us often costs less than independent shops over time by preventing bigger problems and preserving resale value.
  • Remember: repairs covered under warranty must be performed at a certified dealership to remain valid; ask about service financing to get repairs now and pay later.

How long does a check engine light service take?

  • Most diagnostics for a 2010 Dodge Avenger are completed within 30–90 minutes depending on the issue and required tests.
  • If repairs are needed, our service team at Larry H. Miller Dodge RAM FIAT Tucson will give a clear estimate and timeline so you can plan your day.
  • Use our online scheduler to schedule service and ask about available service specials to save immediately.

How much does a check engine light diagnostic cost for a 2010 Dodge Avenger?

  • Diagnostics at our dealership start as low as $82.95 for a basic scan and code read for a 2010 Dodge Avenger.
  • Choosing Larry H. Miller Dodge RAM FIAT Tucson often delivers immediate and long-term savings—accurate diagnosis prevents unnecessary parts replacement and avoids future failures.
  • We accept service financing so you can address issues now and pay over time, and we honor warranties when work is performed at our certified facility.

What is the most common reason for check engine light on a 2010 Dodge Avenger?

  • Common causes include a loose or faulty gas cap, oxygen sensor, catalytic converter issues, or ignition misfires—many are emissions-related and affect fuel economy.
  • Our technicians in Tucson, AZ diagnose these quickly using OEM tools and recommend repairs that restore performance and MPG.
  • We’ll review repair options, OEM parts, and warranty coverage so you can choose the best balance of cost and long-term value.

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

  • Start with basics: ensure the gas cap is tightened. If the light persists, bring the 2010 Dodge Avenger to our service center for a professional scan.
  • At Larry H. Miller Dodge RAM FIAT Tucson we perform a full diagnostic, prioritize safety concerns, and explain immediate vs. scheduled repairs.
  • You can schedule service online, review current service specials, and ask about service financing to manage cost.

2010 Dodge Avenger Check Engine Light Reset

Resetting a check engine light on a 2010 Dodge Avenger can be simple—if the underlying issue is resolved—but clearing codes without repair only hides the symptom and risks bigger failures. At Larry H. Miller Dodge RAM FIAT Tucson we recommend a complete diagnostic before any reset so you know whether the issue is minor (like a loose gas cap) or a sign of failing components. Our technicians use OEM-grade scanners that read stored and pending codes, freeze-frame data, and sensor live-streams to confirm repairs are effective. You’ll receive a clear explanation of recommended work, OEM parts usage, and warranty coverage; repairs performed here preserve manufacturer warranties and long-term vehicle health. We also provide transparent estimates and service financing options so you can address problems now and pay over time. To protect your Avenger’s performance and resale value, trust certified service technicians—schedule service and check our current service specials before you arrive.

2010 Dodge Avenger Check Engine Light Codes

Common check engine light codes for a 2010 Dodge Avenger include P0420 (catalytic converter efficiency), P0135/P0136 (oxygen sensor/heater circuits), P0300–P0304 (random or cylinder misfires), and P0442 (evaporative system leak). Ignoring these can lead to reduced fuel efficiency, increased emissions, poor performance, and costly component failures. For example, an O2 sensor fault left unaddressed can damage the catalytic converter—an expensive repair—while misfires may harm pistons and catalytic systems. At Larry H. Miller Dodge RAM FIAT Tucson in Tucson, AZ, we diagnose the specific cause and present repair options with cost and time estimates, emphasizing immediate and long-term savings by preventing escalation. Our certified technicians use factory diagnostics and OEM parts to ensure durability and compatibility. Take advantage of our transparent quotes, available service specials, and easy booking; you can schedule appointment online to minimize downtime and get back on the road quickly.

Check Engine Light Flashing

A flashing check engine light on a 2010 Dodge Avenger signals a severe condition—often active engine misfire—that requires immediate attention. Continued driving can cause catalytic converter damage, loss of power, or engine harm. If you see a flashing light, reduce speed, avoid heavy loads, and bring the vehicle to Larry H. Miller Dodge RAM FIAT Tucson right away. Our service team prioritizes safety concerns and performs fast, accurate diagnostics to identify misfires, ignition failures, or fuel delivery problems. We explain repair options, use OEM parts, and honor warranty terms when work is done by certified technicians. To help with unexpected repairs we offer service financing and current service specials so you can address urgent needs without delay. For the fastest care, schedule service online now or contact our service desk—protect engine health and avoid higher repair costs with prompt professional attention.