2012 Nissan 370Z 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 2012 Nissan 370Z?

  • It signals the vehicle's onboard diagnostics detected an issue—anything from an emissions sensor fault to ignition or fuel system problems. Our certified technicians at Larry H. Miller Nissan Mesa in Mesa, AZ use OEM-grade scanners to identify the specific trouble codes quickly.
  • Choosing our dealership often costs less than independent shops once you factor in accurate diagnostics, correct OEM parts, and fewer repeat visits. That means immediate savings on correct repairs and long-term savings through improved reliability and fuel economy.
  • Repairs covered under warranty must be performed at a certified dealership to remain valid. We also offer service financing so you can get the necessary repairs now and pay later.
  • To get expert diagnostics and a clear repair plan, schedule service with us and take advantage of available service specials.

How long does a check engine light service take?

  • Most diagnostics for a 2012 Nissan 370Z take 30–90 minutes depending on the complexity of the code and whether road testing or smoke testing is required. Our Mesa service center prioritizes accuracy and speed, reducing downtime while protecting your vehicle's longevity.
  • If repairs are needed, we provide transparent estimates and timelines before work begins. Our streamlined parts network and OEM inventory help us complete common repairs the same day when parts are available.
  • We provide service financing options and clear warranty information; covered repairs should be completed at a certified dealership to preserve coverage and ensure genuine parts are used.
  • Ready to reserve a time? Schedule service online and review current service specials to maximize savings.

How much does a check engine light diagnostic cost for a 2012 Nissan 370Z?

  • Diagnostic pricing varies by issue, but Larry H. Miller Nissan Mesa provides competitive diagnostic rates and transparent estimates before any repair. Our approach often delivers lower total cost than independent shops because correct diagnosis and OEM repairs reduce repeat visits.
  • We emphasize the long-term savings of dealership service: accurate diagnostics, factory-trained technicians, and OEM parts that protect performance and resale value.
  • Remember that warranty repairs must be done at a certified dealership to remain valid. We also offer service financing so you can address issues promptly without financial delay.
  • To find precise pricing and book a visit, schedule service, and check current service specials before you arrive.

What is the most common reason for check engine light on a 2012 Nissan 370Z?

  • Common causes include oxygen sensor faults, loose or faulty gas caps, ignition coil or spark plug issues, and mass airflow sensor problems. Each fault has a distinct code that our technicians read and interpret to prevent unnecessary repairs.
  • Addressing the root cause promptly at Larry H. Miller Nissan Mesa reduces the risk of catalytic converter damage or diminished fuel economy, saving you money over time.
  • All warranty work must be performed at a certified dealership to maintain coverage. We also provide service financing to help you get repairs done sooner.
  • Book a diagnostic by clicking schedule service and review available service specials to lower your out-of-pocket cost.

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

  • Start with basics: check the gas cap for tightness and visible damage. If the cap is loose, tightening it can clear the code after a short drive cycle. If the light persists, professional diagnostics are the next step.
  • At Larry H. Miller Nissan Mesa our certified techs perform a full scan and provide a clear repair plan. We prioritize fast turnarounds and use OEM parts to protect performance and resale value.
  • Service financing is available so you can repair now and pay later, and warranty repairs must be performed here to remain valid.
  • If you need help, schedule service online and check our current service specials for savings.

Check Engine Light Flashing

The check engine light flashing on a 2012 Nissan 370Z signals a severe misfire or condition that could damage the catalytic converter or compromise drivability. A flashing light is a priority concern because it often indicates unburned fuel entering the exhaust system, which raises temperatures and can lead to expensive downstream repairs. At Larry H. Miller Nissan Mesa in Mesa, AZ we recommend you stop driving as soon as it's safe and contact our service team. Our certified technicians perform immediate diagnostics using OEM-level equipment to pinpoint ignition faults, fuel delivery issues, or sensor failures. We explain findings in plain language and provide a transparent estimate. Using OEM parts and factory-recommended procedures reduces the chance of repeat issues and preserves warranty coverage—repairs under warranty must be done at a certified dealership. We also offer service financing so you can address urgent repairs without delay. Review our current service specials and schedule service online for a fast, reliable appointment.

2012 Nissan 370Z Check Engine Light Reset

Resetting the check engine light on a 2012 Nissan 370Z without fixing the underlying cause is only a temporary fix and can mask a problem that worsens over time. At Larry H. Miller Nissan Mesa we recommend a full diagnostic before any reset. Our technicians read and store trouble codes, perform targeted tests, and verify repairs with a proper drive cycle. We use OEM tools and parts to ensure repairs are durable and to avoid recurrence. Dealership transparency means you receive a clear explanation of the cause, options, and costs; our estimates reflect immediate savings from correct repair and long-term value by preserving fuel economy and avoiding catalytic converter damage. Warranty repairs must be completed at a certified dealership to remain valid, and we offer service financing for eligible repairs. If you choose to proceed, you can schedule service online and check our service specials to reduce your expense.

2012 Nissan 370Z Check Engine Light Codes

Common codes for a 2012 Nissan 370Z include P0300 (random/multiple misfires), P0420 (catalyst system efficiency low), P0171/P0174 (system too lean), and sensor codes such as P0135 (oxygen sensor heater circuit). Left unaddressed, misfires can destroy the catalytic converter and lead to five-figure repairs; a P0420 left untreated can mean poor emissions performance and failed inspections; lean conditions increase engine wear and reduce fuel economy. At Larry H. Miller Nissan Mesa our factory-trained technicians diagnose codes precisely, explain the cost-benefit of each repair, and use OEM parts to restore performance. Choosing dealership service often saves you money over time by preventing repeat failures and maintaining warranty coverage—all warranty repairs must be performed at a certified dealership. We provide service financing and routinely post service specials to lower your immediate cost. Ready to protect your 2012 Nissan 370Z? Schedule service today for a fast, accurate diagnostic at our Mesa, AZ service center.

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