Battery, Battery Replacement & Engine Light Support for the 2020 Dodge Challenger

At Larry H. Miller Chrysler Jeep Dodge Ram Boise, we provide fast battery inspections, battery replacements, and comprehensive engine-light diagnostics for the 2020 Dodge Challenger. Our factory-trained technicians use OEM parts and manufacturer-grade testing to ensure reliable starts and long-term performance. Learn more about common engine codes, resets, and flashing warnings below — then schedule service or check our service specials to save at your appointment.

Frequently Asked Questions

What does it mean when the check engine light comes on in a 2020 Dodge Challenger?

• It indicates the vehicle’s on-board diagnostics detected a fault — anything from a loose gas cap to an engine misfire.
• At Larry H. Miller Chrysler Jeep Dodge Ram Boise we diagnose the root cause quickly with OEM-grade scanners and explain repair options clearly.
• Choosing our dealership often costs less than independent shops when factoring immediate and long-term savings from correct repairs and OEM parts.
• Warranty-covered repairs must be performed at a certified dealership to preserve coverage; we can handle warranty work and offer service financing to help you get repairs now and pay later.

How long does a check engine light service take?

• Most diagnostics are completed within one hour; more complex repairs vary by issue and parts availability.
• We prioritize quick turnaround with transparent estimates, OEM parts, and factory-trained technicians to reduce downtime for your 2020 Dodge Challenger.
• You can schedule service online and view current service specials to save on diagnostic and repair work.

How much does a check engine light diagnostic cost for a 2020 Dodge Challenger?

• Diagnostic pricing varies by the issue, but Larry H. Miller Chrysler Jeep Dodge Ram Boise offers competitive rates and clear estimates before work begins.
• We emphasize the immediate and long-term savings of correct diagnosis — avoiding premature part replacement and costly follow-up repairs.
• Ask about our service financing to spread payments and take care of urgent repairs without delay.

What is the most common reason for check engine light on a 2020 Dodge Challenger?

• Common triggers include oxygen sensor failure, catalytic converter issues, ignition misfires, EVAP leaks, and fuel trim problems.
• Battery or charging issues can also affect sensors and trigger codes; our technicians perform a full electrical and battery check as part of diagnostics.
• Repairs done with OEM parts at our dealership protect your vehicle’s longevity and warranty; we also offer convenient schedule appointment options online.

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

• Check for obvious issues like a loose gas cap, then have a technician read fault codes to identify the cause.
• Bring your 2020 Dodge Challenger to Larry H. Miller Chrysler Jeep Dodge Ram Boise for fast diagnostics — we provide transparent pricing, OEM parts, and a comfortable service experience.
• Use our schedule service link or review current service specials to plan your visit.

2020 Dodge Challenger Check Engine Light Reset

Resetting the check engine light on a 2020 Dodge Challenger can be as simple as clearing stored codes, but a reset without repair masks underlying issues and risks repeat failures. Our technicians in Boise, at Larry H. Miller Chrysler Jeep Dodge Ram Boise, perform a full diagnostic scan to determine the cause before a reset — ensuring the problem is solved, not hidden. We use OEM tools and manufacturer software to verify repairs and clear codes safely, preserving warranty eligibility and vehicle longevity. Choosing dealership service offers advantages: transparent estimates, factory-trained techs, genuine Dodge parts, and documented service records that help maintain resale value. We also offer service financing so you can address needed repairs now and manage payments over time. Before we clear any code, we explain findings, outline repair options, and apply any available service specials. To protect your Challenger and avoid recurring lights, schedule service with our certified team in Boise and benefit from accurate diagnostics and lasting repairs.

2020 Dodge Challenger Check Engine Light Codes

Many drivers in Boise see common codes on the 2020 Dodge Challenger: P0300 (random/multiple misfires), P0420 (catalyst efficiency low), P0455 (EVAP large leak), P0171 (system too lean), and P0446 (EVAP vent control). Left unaddressed, these issues lead to higher fuel use, poor performance, failed emissions tests, and in severe cases, expensive catalytic converter replacement (often $1,000–$2,500) or engine damage from persistent misfires. At Larry H. Miller Chrysler Jeep Dodge Ram Boise our certified technicians diagnose the exact cause and present cost-effective repair paths, emphasizing immediate savings (fuel economy and avoided major repairs) and long-term value by using OEM parts and factory procedures. We also check related systems — including battery and charging components — so you won’t chase intermittent codes caused by low voltage. For transparent pricing and available discounts, review our service specials, then schedule appointment online to get priority service and fast turnaround in Boise.

Check Engine Light Flashing

A flashing check engine light on a 2020 Dodge Challenger signals a severe condition — commonly active engine misfire that can damage the catalytic converter and engine internals. If your light is flashing, reduce load and avoid hard acceleration, then have the vehicle inspected immediately. Driving under a flashing condition increases repair costs and risks safety and emissions failures. At Larry H. Miller Chrysler Jeep Dodge Ram Boise we treat flashing lights as high priority: our team performs expedited diagnostics, addresses ignition, fuel, or sensor faults, and advises whether towing is appropriate. We provide transparent estimates, OEM parts, and warranty-qualified repairs; warranty work must be performed at a certified dealership to remain valid. Ask about our service financing options and current service specials when you schedule service. For urgent issues, contact our service team through the dealership site — get peace of mind and trusted repairs from Boise’s certified Dodge experts.