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The shop on Devon Avenue runs lean: HV traction packs only, Toyota and Lexus only, no general service. Ryan Clark has been running it for the past nine years, after a decade inside a manufacturer training program in Aurora.

What walks through the door is consistent. A 2013 Camry Hybrid losing two MPG every other tank. A Lexus CT200h with the cooling fan whining all the way home. A Prius Gen 3 with the red triangle solid for a week. The diagnostic playbook is the same in every case: scan-tool capture of the freeze-frame snapshot first, module-level voltage logging second, only then a written quote.

Above 200,000 miles the recommendation usually leans new OEM. Below that, a verified remanufactured pack is the pragmatic answer for most customers in Des Plaines, Park Ridge, or anywhere along the Northwest Tollway. Either way the diagnostic price is locked in writing before any work begins, and the install warranty runs 24 months.

Ryan does not chase volume. The shop posts no advertised