Built by mechanics, not marketers
Stop worrying about
your check engine light, mystery noises, oil changes, repair costs, and more
Maintenance records. Diagnostic reports. Honest mechanics. Everything you need to own, fix, and sell your vehicles — without the anxiety.
Maintenance Records
Never Lose a Receipt Again
Log service history with dates, mileage, costs, and notes. Export to PDF when selling or for insurance claims. Share a read-only link with your mechanic so they see the full picture.
Service History — 2018 Honda CR-V
Oil Change
32,450 mi · Jan 2025
$45
Brake Pads - Front
41,200 mi · Jun 2025
$180
Tire Rotation
44,800 mi · Sep 2025
$35
3 records
Total: $260
Project Management
Stop Living in Spreadsheets
Whether it's a weekend brake job or a multi-month restoration, keep every task organized per vehicle. Track parts status, set priorities, estimate costs, and convert completed tasks into permanent service records.
Project Board — 1987 Toyota Pickup
4 tasksReplace radiator hoses
Fix passenger window regulator
Rust repair — rear quarter panels
Replace spark plugs & wires
Budget: $580 est.
1 of 4 complete
OBD2 Code Database
Stop Guessing What's Wrong
Every code page includes symptoms, likely causes ranked by probability, DIY vs. professional cost estimates, and repair video links. No forum digging. No conflicting advice. Free to browse.
Catalyst System Efficiency Below Threshold (Bank 1)
Likely Causes
DIY
$50–$150
Professional
$400–$1,800
Sell Your Vehicle
Handle the Paperwork Yourself
Walk through our step-by-step selling wizard. Enter sale details, buyer info, and upload photos. Generate state-specific documents and create marketplace listings for Craigslist, Facebook, and more.
Selling Wizard
Generate state-specific documents automatically
Dream Car Alerts
Stop Refreshing eBay
Add any vehicle to your dream list with a budget and preferred specs. We'll search eBay Motors and AutoTempest automatically and email you when a match appears — daily, weekly, or the instant it's listed.
Dream Cars
2 tracked1994 Toyota Supra
1994 Supra Turbo 6-Speed
1994 Supra Twin Turbo
1991 Acura NSX
Searches eBay Motors & AutoTempest
Trusted Shops
Stop Wondering if Your Mechanic Is Overcharging You
Our community-vouched shop map is built by established Pro members — not paid ads. Search by specialty, read real reviews from people who brought their own vehicles, and stop guessing where to go.
Trusted Shops Near You
3 in areaEuropean Auto Specialists
Portland, OR
Mike's Honest Garage
Austin, TX
Apex Motorsport
Denver, CO
“Replaced both turbos. Fair pricing, great communication throughout.”
Vetted by established Pro members
16 Vehicle Types
Not Just Cars. Boats, Tractors, ATVs, and Everything Else.
Crew Chief handles anything with an engine or a hull. Each vehicle type has custom fields — PTO type for tractors, hull material for boats, engine CC for motorcycles. VIN decoding for road vehicles, serial numbers for everything else.
Start Free — No Credit Card Required
Get everything you need to manage your first vehicle
Need more? Upgrade to Pro or Fleet for unlimited vehicles and up to 50 diagnostics per vehicle per month.
Why Crew Chief
Built in the Shop, Not a Boardroom
I spent 20 years in the shop watching people get ripped off because they couldn't get a straight answer about what was wrong with their vehicle. Crew Chief is the tool I wish existed back then.
0
OBD2 Codes Documented
0
Models with Maintenance Data
0
Vehicle Types Supported
0+
Years of Mechanical Experience