Remote second opinions
Make sense of a repair estimate, trouble codes, and the tests already performed. Know what questions to ask before authorizing more parts.
Independent automotive diagnostics
Find the fault.
Not another part.
Before you approve an expensive repair, get a clearer picture. No Parts Cannon brings 20+ years of diagnostic experience to second opinions, troubleshooting, and practical repair guidance.
Louisville roots. Remote guidance nationwide.
20+ years
of real diagnostic experience
Evidence before replacement.
We explain what a test proves—and what it doesn’t.
Straight answers. Clear limits.
If a vehicle needs hands-on testing, we’ll tell you.
The diagnostic difference
A code is a clue.
Not a shopping list.
An oxygen sensor code doesn’t automatically mean a bad oxygen sensor. The right questions and circuit tests help separate the symptom from the cause.
Real diagnostics. No guessing.
No unnecessary parts.
Diagnostic consultations
Work through symptoms, vehicle history, and available test results with an experienced diagnostician. Get a focused plan for the next checks.
Repair guidance & education
Understand the reasoning behind the repair. Learn how troubleshooting checklists, circuit testing, and practical diagnostic methods reduce guesswork.
Consultations & pricing
Start with a second opinion.
Choose an available service below. Have your vehicle details, symptoms, repair estimate, and any test results ready.
Remote guidance is not a substitute for a physical inspection. For safety-critical symptoms, stop driving and seek qualified local assistance.
Before the next repair bill
Get clarity before you commit.
You don’t need another guess. You need to understand what’s been tested, what’s still uncertain, and what comes next.