🔧RepairIQ

Diagnose your truck issue in seconds.

Stop wasting hours troubleshooting the wrong component.

Describe the problem — get the most likely failed component, confidence score, and supplier links for diesel trucks and commercial vehicles.

Built for mechanics and fleet operators. Diesel diagnostics you can trust.

Diagnose your issue See how it works

No login required · Instant results · Built for real repair decisions.

Mechanics Fleet Operators Diesel Technicians Maintenance Teams
🔧 Engine: engine overheating engine stalling
⚡ Electrical: truck won't start battery not charging alternator failure
🛞 Brakes: brake noise brake pads worn
⚙️ Transmission: transmission slipping
⛽ Fuel: fuel leak high fuel consumption
⚡ Try it now — takes 5 seconds

No login required · Free · Instant results

Diagnose:

Example: "truck won't start" → Starter motor (92%)

truck won't start engine overheating brake noise transmission slipping battery not charging
↓ See how it works
Diagnose:

Quick checks for common vehicle problems

A 2-minute check can save hours of guesswork and the wrong purchase.

Brakes making noise

Noise only when braking
No grinding sound
No steering wheel shake

Car won't start

Dash lights come on
Battery terminals look clean
Clicking sound when turning key

Engine overheating

Coolant level is low
Temp rises at idle
Fan is not kicking on

A 2-minute check can save hours of guesswork and the wrong purchase.

Why mechanics use RepairIQ

When a truck breaks down, the hardest part isn't sourcing the replacement. It's pinpointing what actually failed. RepairIQ closes that gap.

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Describe the problem

Type the symptom in plain English — "truck won't start" or "engine overheating" — instead of flipping through service manuals.

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Get the likely part

RepairIQ matches the issue to the most likely failed component and explains why it fails.

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Order the right part

Jump straight to Amazon or supplier sites with the right search — stop guessing and ordering the wrong component.

The old way vs RepairIQ

Without RepairIQ
  • ❌ Search forums and service manuals
  • ❌ Call the dealer for diagnostics ($200+)
  • ❌ Guess the failed component
  • ❌ Order wrong part, wait for shipping
  • ❌ Truck sits idle, losing revenue
With RepairIQ
  • ✅ Type the symptom
  • ✅ Get the likely component instantly
  • ✅ See confidence score
  • ✅ Click supplier link
  • ✅ Done — get the truck back on the road

Start your vehicle diagnosis

Stop guessing. Start with the symptom.

Diagnose your vehicle