Diagnosing the Aftermarket A to Z

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Matt Fanslow's Diagnosing the Aftermarket A to Z Podcast is a wide-open perspective on all aspects of the automotive aftermarket from a working diagnosticians' point of view. All topics and issues will be on the table.

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Boarder Patrol....I Mean Boundary Patrol [E210]

Thanks to our Partner, NAPA Autotech Training and Pico Technology Watch Full Video Episode We unpack what “boundaries” actually are—and aren’t—in shops and life. Margaret draws clear lines between rules vs. boundaries, protective vs. containing boundaries, and gives scripts you can use with customers, colleagues, and leadership. Matt adds his trademark honesty (and jokes) about self-regulation, “saying it like it is,” and swapping “but” for “and.” Sponsor shoutouts NAPA AutoTech Training — Apprentice pathways, Tech Update, Service Advisor, and EV Ready week-long hands-on training. Details: napaautotech.comPico Technology (PicoScope) — Turn a PC into a powerful diagnostic scope. Guided tests, EV kit, faster fault-finding. Details: picoauto.com Key ideas & takeaways Rules vs. Boundaries: Rule: “You’re not allowed to yell at me.” (trying to control others)Boundary: “If you yell at me, I will leave the room.” (what I will do) Two Types of Boundaries: Protective: Guard yourself from others’ behavior (leave the room, pause the call).Containing: Guard others from your behavior (take a break before you escalate). Simple Shop Scripts Advisor to escalated customer: “I’m happy to help and if the yelling continues, I’ll have to ask you to leave. I’m happy to help when we’re calm.”Advisor protecting self: “If voices rise, I’m going to step to the break room for five minutes and then return to help.”Employee to manager (after-hours texts): “I’ll handle this when I’m back at work.” (Boundary = your response, not their texting.) Use “and,” not “but.” “I hear you overslept and I need you here on time.”Removes the “disqualifier” feel of but, holds two truths at once, reduces power struggles. Broken-record technique for heat Repeat your boundary + offer: “I’m happy to help, and if the yelling continues, I’ll need you to leave.” Professionalism ≠ light switch Containment and communication are skills that need coaching, not just warnings. Managers can (and should) teach, not only discipline. Reasonable Expectations Some things are rules of employment (e.g., start times). People can be upset and the expectation still stands. Curiosity First Lead with, “Are you open to feedback?” “Tell me what would work better.” You can hear it without agreeing to change your decision. Culture Over Chaos We don’t need reality-TV drama in a professional shop. Boundaries + coaching = fewer blowups, better results. Practical Playbook - Train mechanical specialists and technical specialists to: Spot their escalation early (breathing break, lap around the building).State boundaries in first-person (“I will…”) not second-person commandments.Swap but → and in feedback and estimates. Train advisors on three phrases: “I want to help, and we’ll...

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٥ نوفمبر

Electrical Myth La Resistance! [E209]

Thanks to our Partner, NAPA Autotech Training and Pico Technology Watch Full Video Episode Matt Fanslow opens with “Resistance is futile” and tackles a common belief: “Resistance always makes current go down.” He walks through why that’s mostly—but not always—true, and shows how electric motors (especially starters) can draw more current when unwanted resistance slows them down by reducing counter-EMF. Along the way he ties Ohm’s Law to real diagnostics, shares a Rust Belt cable-smoker story, and closes with a heartfelt reminder about seeking help for the “stuff” we all carry. Key Topics The “always/never” trap in electrical claimsOhm’s Law in real life: fixed voltage vs. changing conditionsWhy motors misbehave: counter-EMF as dynamic “resistance”Starter example: inrush current, RPM drop → current riseHigh-resistance cables that increase current (and make heat)Where the energy goes: heat in brushes/cables vs. mechanical workInstantaneous truth of Ohm’s Law: accurate at a moment in time, not across changing dynamicsPractical tell-tales: slow crank + rising amps + hot/smoking cablesMental health note: removing stigma and getting professional help Practical Takeaways Motors are dynamic loads. If RPM drops (binding, poor supply, worn pump), counter-EMF falls and current can increase even as “resistance in the circuit” rises.Heat = the clue. Elevated current with slow rotation often means energy’s being dumped as heat (cables glowing, insulation softening, brushes cooking).Measure what matters. Combine voltage drop, current measurement, and temperature/thermal observation under load to find where the power is going.Interpret Ohm’s Law correctly. It holds at an instant; across changing conditions, re-evaluate with the values at that moment. Case Study Highlight Chevy Suburban (late ’80s/early ’90s): Slow crank, ~400 A draw when ~150 A expected; braided negative cable glows red under a 10–20 s crank. Root cause: high-resistance path + reduced counter-EMF → higher current and wasted power as heat. Tools & Concepts Mentioned Current probe / ammeterVoltage drop testingStarter relative compression patternsCounter-EMF (a.k.a. back-EMF)Old-school VAT-style analyzer (Snap-on digital variant) Quotes / Moments “It’s rare we can say always or never.”“Ohm’s Law isn’t broken—it’s instantaneous.”“If it isn’t turning it into work, it’s turning it into heat.” Thanks to our Partner, NAPA Autotech Training NAPA Autotech’s team of ASE Master Certified Instructors are conducting over 1,200 classes covering 28 automotive topics. To see a selection, go to napaautotech.com for more details. Thanks to our Partner, Pico Technology Are you chasing elusive automotive problems? Pico Technology empowers you to see what's really happening. Their PicoScope oscilloscopes transform your diagnostic capabilities. Pinpoint faults in sensors, wiring, and components with unmatched accuracy....

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٢٩ أكتوبر

"Yo, Adrian!" What We Can Learn From Rocky [E208]

Thanks to our Partner, NAPA Autotech Training and Pico Technology Watch Full Video Episode Matt riffs on a surprisingly quiet moment from Rocky—the late-night scene where Rocky admits he can’t beat Apollo and Adrian simply asks, “What do we do?” From that question, Matt draws a blueprint for technicians and shop owners: set realistic, self-assigned wins and stack them. Instead of living and dying by big, binary outcomes (“fixed/not fixed,” “hit benchmark/missed benchmark”), build momentum with attainable goals that compound into competence, confidence, and better shop results. Big Ideas “What do we do?” beats “You can do it!” Swapping empty hype for practical next steps creates traction.Redefine winning: Rocky doesn’t win the fight; he wins by “going the distance.” Translate that to your day: hit achievable targets that move you forward.Stack small, durable improvements: The path to 40+ billed hours or top-quartile shop productivity runs through many smaller, consistent wins.Perfection limits joy: Ambition is good; impossible standards starve you of pride and progress.Benchmarks aren’t commandments: Continuous improvement may matter more than someone else’s KPI. Practical Takeaways for Techs Scope reps, not scope heroics: Use the oscilloscope on easy cars and routine checks—pair voltage with time until it’s second nature, then add a second channel and a low-amp probe where it makes sense.Thermal imager habits: Pull it out on brake inspections, wheel-bearing complaints, and on known-good vehicles to calibrate your eye for “normal.”Micro-goals to build hours: If you’re billing ~20 hrs/week, aim for 25 (≈+1 hr/day). Then 30. Ask: Where can I reclaim two hours? (economy of motion, fewer tool trips, better setup). Practical Takeaways for Shop Owners/Leads Aim for +10–15% improvements first: If techs are ~60% productive, target 70%, not 100% overnight. Design the system to enable the next step.Design wins into the week: Encourage daily scope/thermal reps, short debriefs, and “wins boards” that recognize process improvements—not just hero fixes.Coach with the Adrian question: When someone says, “I can’t hit that,” respond with: “What do we do?” Identify the next two concrete actions. Memorable Lines “We can define our own successes—it doesn’t have to be everyone else’s.”“Set wins somewhere earlier in the process, not only at the final repair.”“I hope you’re proud of yourself—and that you let yourself feel it.” Chapter Guide Cold open & sponsors — NAPA Auto Tech Training, Pico TechnologyWhy Rocky still hits — the “What do we do?” sceneDefining ‘going the distance’ at workTech micro-wins — scope reps, thermal habits, pairing voltage & currentShop micro-wins — stepwise productivity goals, system design > pep talksPerfection vs. pride — making room to feel accomplished Thanks to our Partner, NAPA Autotech Training NAPA Autotech’s team of ASE Master Certified Instructors are conducting over 1,200 classes covering 28 automotive topics. To see a selection, go to a href="https://napaautotech.com" rel="noopener noreferrer"...

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٢٢ أكتوبر

I Hope You're Proud of Yourself [E207]

Thanks to our Partner, NAPA Autotech Training and Pico Technology Watch Full Video Episode Matt wrestles with a lifelong pattern of shame, defensiveness, and downplaying wins—and how naming it (out loud) is helping him show up better at work and at home. This one’s part confessional, part field guide: practical, unglamorous steps for accepting compliments, advocating for your value, and being safer to confront in relationships. Content note: brief, heartfelt discussion of infant loss (the story of Matt’s son, Benjamin). Why listen If you instinctively swat away compliments or feel “pride” is off-limits, this gives language—and a few reps—to shift that.Shops, teams, and families run better when we replace shame/stonewalling with honesty and curiosity. Highlights The “shame tank”: how early patterns trained Matt to equate mistakes with identity (“I did something dumb” → “I am dumb”) and how that fueled resentment cycles with employers and loved ones.Stonewall → spill → reset → repeat: the loop that forms when you won’t self-advocate until pressure boils over.Compliment deflection ≠ humility: jokes like “you need to get out more” felt safe, but quietly devalued real wins.Owning value without arrogance: learning to state what you bring to the table without feeling like your mouth is on fire.Two proud moments (finally named):Benjamin’s birth: staying present, stopping futile interventions, and making sure mom and family had time with him. https://mattfanslow.captivate.fm/episode/overcoming-the-loss-of-a-child-finding-a-silver-lining-e035Post-divorce boundaries: noticing red flags early and exiting a relationship kindly (growth in real life, not theory).Professional growth he’ll actually own: the podcast, teaching, equipment dev/beta, EEPROM/board-level work, and expanding beyond “just drivability.”Result of doing the work: markedly better conversations with his boss; marriage moving from “fine” to genuinely “great.” Practical takeaways Language swap: “I did something dumb” ≠ “I am dumb.” Keep identity out of error statements.Three-beat compliment drill: Hear it → pause → say “thank you” → full stop. (Joke later if you must.)Mini inventory: keep a running note of 3 specific things you did well this week; read it before hard conversations.Advocacy prep: write a one-page “value brief” before comp talks: outcomes, examples, and how they helped the shop/client.Repair the feedback channel: agree with your partner/teammate on a critique ritual (time, signal word, and goal).Get a spotter: a counselor/therapist helps reveal blind spots faster than white-knuckling it alone. People & mentions Bob (AAPEX episode—“shame tank” origin point in prior convo) https://mattfanslow.captivate.fm/episode/exploring-relationships-health-and-personal-growth-with-bob-heipp-e109Equilibrium Therapy Services — Margaret Light (Minnesota) a href="https://www.equilibriumtherapyservices.org/"...

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١٥ أكتوبر

Training That Actually Trains with Brandon Steckler & Bob Leonard [E206]

Thanks to our Partner, NAPA Autotech Training and Pico Technology Watch Full Video Episode Live from “pre-ASTA,” Matt sits down with two “industry nobodies” (his words) who… are anything but. The trio gets honest about what makes training worth the time and money—and what ruins it. They dig into presenter prep (yes, 40 hours for a 4-hour class), class vetting, sponsor pressure, why a sexy scope trick isn’t always the right first move, and how to bring new voices onto the stage without burning attendees. They also share practical advice for first-timers at training expos so you learn more and regret less. What we cover Why one weak class can poison a whole event—and how to prevent itThe difference between a presenter and an educatorBrandon’s CTI “boot camp” lessons: pacing, body language, audience interactionTeaching your experience vs. reading someone else’s slidesThe “pico math channel” vs. relative compression—start simple, earn the complexityReal-world prep: building a class, flow, case study sourcing, time costs no one sees Sponsor dynamics: class quality vs. class quantity Vetting ideas: short audition decks, Zoom mini-presentations, real Q&APathways for new trainers: Techs Informing Techs, vision-style tech talks, co-teaching/mentorshipFeedback that helps: beyond Scantron; what to write so organizers can actAttendee playbook: note-taking, pacing yourself, lobby networking, post-event review Quick takeaways For trainers If you didn’t write the class, make it your own—prep until you could answer questions without the deck.Lead with the right test, not the flashiest one. Wow factor is not a learning objective.Ask a veteran to review your flow. Co-teach if you can. For event organizers Don’t let sponsorship replace standards. Vet instructors with a 10–15 slide audition + live Q&A.Reward quality: fewer tracks > more mediocre tracks.Follow up for feedback after the event; invite longer-form comments. For attendees Bring a notebook/app, a highlighter, and capture 3 “do-this-Monday” items per session.Don’t try to copy every slide—listen for the why and the decision tree.Network on purpose. Introduce yourself. Follow up a week later as you review notes. Notable moments/quotes “Teaching is the fun part—I’d do that for free. You’re really paying for the prep.” — Brandon“You can’t preach ‘training matters’ and then short-change the delivery.” — Matt“We need an on-ramp for new presenters—safe reps before three-hour sets.” — Matt“Start with the test that answers the question fastest.” — Bob Shout-outs & mentions MobilityWorks — Bob’s focus on vehicles modified for physically disabled drivers/passengersCTI/Worldpac instructor boot camp (presenter craft)Techs Informing Techs / vision-style tech talks — great first stage repsPico Technology concepts referenced (math channels, relative compression) Who this episode helps Techs deciding whether to spend the time/money to travel for trainingNew and aspiring trainers looking for the right entry pathOrganizers who want higher attendee retention and better word-of-mouth Call to action Been to a class that changed your workflow—or wasted your time? Send Matt what made the difference and why.If you’re an aspiring presenter with a killer case study, draft a 10-slide mini and reach out—let’s get you reps at a tech-talk format. Thanks to our Partner, NAPA Autotech...

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٨ أكتوبر

Keys, Clones, and Cobra Effects with Mike Maleski [E205]

Thanks to our Partner, NAPA Autotech Training and Pico Technology Watch Full Video Episode Live(ish) from ASTA 2025 in Raleigh, I “borrow” a guest from a Keith Perkins immobilizer class: Mike Maleski of PSK Automotive and Rosedale Technical College. We dig into the business of keys/immobilizers—what drew him in, locksmith gatekeeping, where OE tools beat aftermarket for workflow, flat-rate incentives (hello, Cobra Effect), cloning/EEPROM realities, and teaching diagnostics to the next generation. Also: yinzer linguistics, Applebee’s barters, and Tibbe-key kryptonite. Mike Maleski — Owner/tech at PSK Automotive (Pittsburgh, PA) and instructor at Rosedale Technical College. Topics we hit Getting into keys: margins, ROI, and focusing the service lineLocksmith gatekeeping → locksmiths moving into module programmingMarket realities: dense dealer competition vs. being “the only game in town”Inventory truth: FCC IDs, chip types, look-alikes that aren’tAftermarket vs. OE: when GM/Volvo VIDA and other OE paths are faster/cleanerCutting machines: Dolphin starts; Triton support/updates; Tibbe/Jag quirksCloning & EEPROM: freeing used key slots (e.g., BMW), virginizing/clone vs. dealer orderService mix & referrals: “different, not better,” building two-way trustPay plans & culture: misaligned incentives, base-plus-performance sanityWages vs. geography: think cost-of-living ratios, not raw dollarsTeaching at Rosedale: bench → car, lightbulb moments, ScannerDanner lineage Quotes “OE software isn’t always about coverage; sometimes it’s about friction.”“Flat rate isn’t evil; misaligned incentives are.”“You can stock 200 keys and still not have the right one.” Takeaways Adding keys/immobilizer? Plan inventory, price subs, know your dealer landscape, lean OE when it reduces rework.Build referral networks; you won’t go broke sending work to the right specialist.Audit incentives in your pay plan.In teaching/mentoring, bridge breadboards to the messy reality of in-car faults early. Thanks to our Partner, NAPA Autotech Training NAPA Autotech’s team of ASE Master Certified Instructors are conducting over 1,200 classes covering 28 automotive topics. To see a selection, go to napaautotech.com for more details. Thanks to our Partner, Pico Technology Are you chasing elusive automotive problems? Pico Technology empowers you to see what's really happening. Their PicoScope oscilloscopes transform your diagnostic capabilities. Pinpoint faults in sensors, wiring, and components with unmatched accuracy. Visit PicoAuto.com and revolutionize your diagnostics today! Contact Information Email Matt: mattfanslowpodcast@gmail.comDiagnosing the Aftermarket A - Z YouTube Channel Subscribe & Review: Loved this episode? Leave a 5-star review on Apple Podcasts and Spotify The Aftermarket Radio Network: https://aftermarketradionetwork.com/ a

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١ أكتوبر

Shop Culture: Having An Attitude As Giddy As a Child [E204]

Thanks to our Partner, NAPA Autotech Training and Pico Technology Watch Full Video Episode Matt Fanslow explores the complex relationship between passion, purpose, and the realities of working in the automotive repair industry. Inspired by a story of a successful businessman who rediscovers his childhood joy fixing bicycles, Matt reflects on how easily passion can fade — and what shop owners and managers can do to help their teams rekindle it. He tackles the classic debate of “follow your passion” versus “follow the money,” examines how shop culture and leadership can either nurture or crush enthusiasm, and shares candid thoughts on his own journey to keep that sense of wonder alive through advanced diagnostics, ADAS calibrations, EEPROM work, and more. From systemic demotivators like inadequate tooling and broken pay structures, to the transformative power of genuine leadership excitement, Matt invites listeners to reconsider how they approach motivation and fulfillment in their shops — and in their own careers. Key Takeaways: A Lesson in Passion: A story about a man who spent decades in a corporate career before returning to his childhood love — repairing bicycles — illustrates how deeply rooted passions can resurface and transform our lives.Passion vs. Paycheck: Matt discusses the tension between following your passion and pursuing financial stability — and why the answer isn’t always as simple as motivational slogans make it seem.Keeping the Spark Alive: For technicians and shop owners alike, maintaining interest and curiosity often requires growth: new tools, deeper training, challenging work, and continuous learning.Demotivators in the Shop: Being “set up to fail” — whether through lack of equipment, poor information, inadequate training, or broken systems — is one of the most effective ways to kill enthusiasm and productivity.The Leadership Role: Leaders who show excitement about the work and actively celebrate their team’s wins help create a culture that sustains passion rather than drains it.Shops as Schools: Matt draws a comparison to how schools can drain curiosity from kids, urging shop owners to avoid building environments that strip away the same energy and wonder from their technicians. Notable Quotes: “Those who do not believe in magic will never find it.” – Roald Dahl“Sometimes work sucks the wonder right out of us — the same way school can strip curiosity from kids.”“I get into advanced diagnostics, ADAS, EEPROM work — not just because I can, but because it keeps that childlike wonder alive.”“Setting someone up to fail isn’t just about tooling or training. It’s about robbing them of the chance to succeed — and that kills passion faster than anything.” Thanks to our Partner, NAPA Autotech Training NAPA Autotech’s team of ASE Master Certified Instructors are conducting over 1,200 classes covering 28 automotive topics. To see a selection, go to napaautotech.com for more details. Thanks to our Partner, Pico Technology Are you chasing elusive automotive problems? Pico Technology empowers you to see what's really happening. Their PicoScope oscilloscopes transform your diagnostic capabilities. Pinpoint faults in sensors, wiring, and components with unmatched accuracy. Visit PicoAuto.com and revolutionize your diagnostics today! Contact Information Email Matt: a href="mailto:mattfanslowpodcast@gmail.com" rel="noopener noreferrer"...

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٢٤ سبتمبر

Gauge vs Absolute Confusion [E203]

Thanks to our Partner, NAPA Autotech Training and Pico Technology Watch Full Video Episode In this episode, Matt Fanslow takes on a common source of confusion in automotive diagnostics: pressure, vacuum, and the difference between gauge and absolute readings. What starts as a discussion on PSI and inches of mercury quickly expands into how technicians interpret scan tool PIDs, why definitions matter, and where misunderstandings creep in—especially in the U.S., where we often mix measurement scales. Along the way, Matt also detours (in true Matt fashion) into physics, quantum mechanics, and the origins of universes from near-perfect vacuums. Yes, really. And yes, it still ties back to cars. Key Topics Covered: The two main pressure scales used in the U.S.: PSI (pounds per square inch) above atmosphericInches of mercury below atmospheric (vacuum) Where confusion starts: Vacuum gauges vs scan tool dataPSI vs inches of mercury and how both can technically read positive or negative Gauge vs Absolute pressure: Gauge pressure treats atmospheric as zeroAbsolute pressure references a sealed, near-vacuum chamberWhy MAP (Manifold Absolute Pressure) sensors often confuse techs Rules of thumb: 2 inHg ≈ 1 PSIAtmospheric pressure at sea level ≈ 14.7 PSI (≈ 30 inHg, ≈ 100 kPa)Engine vacuum at idle ≈ 18–20 inHg (≈ mid-30 kPa absolute) How to tell what your scan tool is showing you: Quick test: Key On, Engine Off → atmospheric pressure value reveals if it’s gauge or absolute Metric perspective: Why kilopascals (kPa) often simplify thingsThinking of vacuum as “low pressure,” not “negative pressure” Physics detour (because Matt can’t help himself): Schrödinger’s Cat and quantum absurditiesHeisenberg’s uncertainty principleAbsolute zero pressure, absolute zero temperature, and why universes may form from vacuum energy Why It Matters A clear understanding of how pressure is defined, displayed, and measured allows technicians to: Interpret scan tool PIDs correctlyAvoid misdiagnosis caused by unit confusionCommunicate more precisely with peers and customersGain confidence when moving between PSI, inHg, and kPa Next time someone’s arguing inches of mercury vs PSI on a forum, remember: it’s all about knowing whether you’re looking at gauge or absolute. And if the conversation stalls, just casually mention that universes may have formed from absolute zero pressure. It probably won’t help you win the argument—but hey, it’s a good story. Thanks to our Partner, NAPA Autotech Training NAPA Autotech’s team of ASE Master Certified Instructors are conducting over 1,200 classes covering 28 automotive topics. To see a selection, go to napaautotech.com for more details. Thanks to our Partner, Pico Technology Are you chasing elusive automotive problems? Pico Technology empowers you to see what's really happening. Their PicoScope oscilloscopes transform your diagnostic capabilities. Pinpoint faults in sensors, wiring, and components with unmatched accuracy. Visit PicoAuto.com and revolutionize your diagnostics today! Contact Information Email Matt: mattfanslowpodcast@gmail.coma...

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Love it!

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Mizzoulifer

Love the podcast! Keep it up!
Great Show!

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stahuskies

This is a great show and refreshing because it addresses a lot of topics that are often overlooked especially for the automotive field!