2015 Lexus RX 350 Check Engine Light Codes

At Park Place Lexus in Plano, TX, we see the same common codes for the 2015 Lexus RX 350: P0420 (catalyst efficiency low), P0171/P0174 (system too lean), P0300–P0306 (misfires), and P0135/P0136 (oxygen sensor faults). Ignoring these codes can escalate costs — a bad oxygen sensor left untreated can damage the catalytic converter, turning a modest repair into a thousand-dollar replacement. A running lean condition (P0171/P0174) lowers fuel economy and can accelerate engine wear; unresolved misfires can lead to costly cylinder or catalytic system damage. Choosing Park Place Lexus means certified Lexus technicians use OEM diagnostics to identify root causes quickly, reducing unnecessary parts replacements and long-term labor charges. We offer clear estimates, factory parts, and a customer-first experience with comfortable waiting areas and loaner options. For accurate diagnosis and to protect your RX 350’s longevity, schedule service and check our service specials to maximize savings and warranty coverage.

Check Engine Light Flashing

A flashing check engine light on a 2015 Lexus RX 350 is a red-flag: it usually signals an active misfire that can allow unburned fuel into the exhaust, risking severe catalytic converter damage and reduced drivability. When customers in Plano see a flashing light, our first priority is immediate diagnosis to prevent further harm. Park Place Lexus excels in rapid response — factory-trained technicians isolate ignition, fuel, and sensor faults using OEM-level scan tools. We incorporate transparent pricing and often provide better value than independent shops because precise diagnostics avoid repeated labor and wrong-part replacements. If parts are needed, we install genuine Lexus components backed by warranty; note that warranty-covered repairs must be completed at a certified dealership. We also promote service financing and rotating service specials to keep out-of-pocket costs manageable. Do not drive long distances with a flashing light — schedule appointment online or contact Park Place Lexus for immediate care and a professional repair plan.

2015 Lexus RX 350 Check Engine Light Reset

Resetting the check engine light on a 2015 Lexus RX 350 is straightforward, but resetting without addressing the root cause only masks symptoms and risks bigger failures. At Park Place Lexus we perform a full scan to capture stored and pending codes, repair the underlying issue with OEM parts, and validate the repair before clearing codes. This transparency protects your vehicle and helps maintain resale value and warranty compliance. Our technicians document findings and provide a clear estimate so you understand immediate costs and long-term savings from doing the repair correctly the first time. Factory parts and trained technicians reduce the chance of repeat trips and often cost less over time compared with quick fixes. For convenience, we offer online booking, service financing, and seasonal service specials. Preserve your RX 350’s performance and schedule a professional reset and repair: schedule service with Park Place Lexus today.