AI Engine Health Report in 10 Minutes
Your engine sounds fine. But is it? Most breakdowns start silently — weeks before any warning light. Send us 30 seconds of your engine running and we’ll tell you what’s really going on inside.
Record 30 seconds of your engine running. No visit. No waiting. No $300 diagnostic fee.
Start the engine, hold your phone near the hood for 30 seconds. Upload the recording. That’s it.
One-time via Stripe. No subscription. Full refund if your report isn’t delivered within 10 min.
Health Score, current status, and a 6-month prediction — delivered to your email within 10 min.
Pulscar launched in 2026. Our first 500 drivers shape the future of the product. Get your engine check today, share your honest feedback, and help us build car diagnostics that actually works.
I’m Vladyslav. I built Pulscar after one bad morning.
My car made a weird noise. The mechanic charged me $380 for a “full diagnostic” and told me it was a loose heat shield. A $0 repair.
I realized the problem isn’t cars. It’s that we can’t tell what’s actually wrong without paying someone we don’t trust.
So I’m building a tool that listens to your engine and tells you the truth. Cheaper than a coffee, faster than a mechanic visit. Read my full story →
Worried about a specific sound? Our AI handles all of these — but you can also read our detailed diagnostic guides based on 200+ acoustic patterns we’ve analyzed.
6 causes ranked by danger: from cheap fixes to rod knock. How to tell which one you have in 2 minutes.
70% of "won’t start" cases are misdiagnosed. The $3 wire-brush test that saves $200+ on starter replacement.
Brakes vs. wheel bearing? The 30-second coasting test that tells you if it’s safe to drive home.
Vibration troubleshooting: from $5 spark plug to $2,000 mount replacement. Park-vs-drive diagnostic test.
Belt? Pulley? Power steering? AC compressor? 7 causes ranked by severity and repair cost.
CV joint? Lifter? Bad fuel? 8 causes from $0 fixes to $1,500 repairs. Driving vs. parked diagnosis.
Pulscar’s AI analyzes acoustic patterns in engine recordings to detect over 200 common car problems. Unlike traditional OBD-II scanners that only read error codes, our AI listens to your engine the same way an experienced mechanic does — but faster, cheaper, and without the markup.
Rod knock, piston slap, lifter tick, valve train noise, timing chain slap, and bearing wear — all produce distinctive acoustic signatures. Our AI can detect these issues weeks before they trigger a check engine light. Early detection on a $2,000 bearing job prevents an $8,000 engine replacement.
Serpentine belt issues (glazing, cracking, slipping) produce the characteristic squealing sound on cold starts. Tensioner failure, worn pulleys, and seized AC compressor each have unique acoustic fingerprints. Pulscar distinguishes between them with high accuracy — saving you from unnecessary $500 part swaps.
Exhaust leaks at the manifold gasket, broken catalytic converter, heat shield rattles, and muffler damage produce different sound profiles. Our AI catches small leaks that mechanics often miss during 15-minute inspections, helping you address emissions failures before they fail state inspection.
The “clicking when starting” problem is one of the most misdiagnosed car issues — about 70% of cases are battery or terminal corrosion, not the starter motor mechanics commonly recommend replacing. Pulscar’s audio analysis distinguishes between a weak battery, dead battery, corroded terminals, bad solenoid, and actual starter motor failure.
CV joint clicking, wheel bearing humming, ball joint clunks, and bushing failures all transmit characteristic vibrations and sounds to your microphone. While these aren’t strictly “engine” sounds, our AI recognizes them in recordings and flags them as potential safety concerns.
Cylinder misfires produce distinctive “popping” or “hesitating” sounds at idle. Pulscar identifies which cylinder is affected and narrows down the cause: bad spark plug ($5 fix), failing ignition coil ($50-200), fuel injector clog ($100-400), or compression loss (more serious). Knowing this before visiting a mechanic gives you negotiating power.
Every car problem has a sound — but most are too subtle for the human ear to identify reliably. AI sound diagnosis works by detecting acoustic patterns that humans can’t consciously process, then matching them against a library of known failure signatures.
Your 30-second recording is converted into a spectrogram — a visual representation of sound frequencies over time. This reveals patterns invisible to the listening ear: micro-irregularities in engine timing, subtle pitch changes in belt rotation, harmonic distortions from cylinder pressure loss.
Our neural network compares your engine’s acoustic fingerprint against a database of 200+ known failure patterns. Each pattern is characterized by frequency range, rhythm, duration, and relationship to RPM. For example, rod knock appears as a deep, low-frequency thump that synchronizes with crankshaft rotation — completely different from piston slap, which is a higher-frequency rattle that disappears as the engine warms up.
Detection isn’t enough — context matters. A lifter tick on cold start that disappears after 30 seconds is normal. The same tick that persists for 5 minutes indicates worn lifters. Pulscar’s algorithm weights detected patterns by duration, amplitude trends, and correlation with other signals to produce a Health Score from 0-100, plus a severity rating for each issue.
Every detected issue comes with estimated repair costs based on real-world data from automotive shops. We pull from thousands of completed repair invoices to give you realistic price ranges — so when a mechanic quotes you $1,200 for a $400 job, you know to walk away.
The result: a comprehensive Engine Health Report delivered to your email in under 10 minutes. No subscription, no app to install, no garage visit. Just $19.99 for the truth about what’s happening inside your engine.
Mechanic shops charge $100-300 for a “full diagnostic” that often consists of plugging in an OBD-II scanner and listening for 5 minutes. Here’s how Pulscar compares.
Pulscar isn’t a replacement for major repairs — but it’s a powerful first-line diagnostic that helps you avoid unnecessary mechanic visits, catch problems early, and negotiate from a position of knowledge.
Most breakdowns start weeks before any warning light. Check your engine now — 30 seconds, $19.99, results in 10 min.