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25% Off Online Orders Over $75

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Save 25% off orders over $75
Use promotional code TAKE25OFF at checkout to receive discount. Not valid on tires, special order, wheels, outside purchase or sale products, gift cards, installed merchandise, commercial, or fleet. Excludes the following brands: Traxxas, Superchips, Hypertech, Edge, Bully Dog, Diablo, Edelbrock, Holley, Autometer, Accel, K&N, MSD and BBK Performance. Not valid in combination with any other discounts or promotions. Valid online until 2:59 am EST on 2/01/15. Online orders scheduled for in-store pick up must be completed in store by closing on 1/31/15 for discount to apply.

Diagnostic & Testing Tools

Car Diagnostic and Testing Tool Resources

Test and diagnose any issue with your vehicle or engine quickly and easily with diagnostic tools from Pep Boys. From fuel pressure testers, to leak detection, to timing lights, Pep Boys has you covered to help you accurately diagnose your vehicle’s issues. We also offer repair manuals, auto parts and loaner tools to help you fix whatever is ailing your car. Don’t feel up to fixing it? No worries! Make an appointment online, call, or walk into your local store to schedule a time we can get you back on the road safely.