AI-assisted second opinion

Check Engine Light On?

Find out if it's safe to keep driving before paying for repairs.

Get a plain-English report with urgency level, likely causes, repair cost estimates, questions to ask your mechanic, and guidance on whether it's safe to keep driving.

  • Online report if you already know your code
  • In-person scan in San Francisco if you need the code read
  • AI-assisted reports with mechanic-reviewed recommendations
$10 Online Report $39 AI Car Check Text Us
For drivers and car owners who want a second opinion before approving repairs.
My Check Engine light came on. I have code P0303. Can I drive for a week?
Code P0303 usually means cylinder 3 misfire. Risk depends on symptoms.
If the car drives smoothly and the light is steady, short local driving may be possible. If the light flashes, the engine shakes, or power drops: stop driving.
Likely causes: spark plug, ignition coil, fuel injector, vacuum leak, or compression issue.
Ask the mechanic: “Can you confirm the misfire source before replacing parts?”

Most people don't need another code reader.

They need to know what to do next.

Can I keep driving?

Understand whether the issue is low, medium, or high urgency based on your code and symptoms.

What could it cost?

Get a realistic repair range so you are less surprised at the shop.

Am I being overcharged?

Use the report as a second opinion before approving expensive repairs.

How it works

1
Choose online or in-person
Already have an OBD code? Choose the $10 online report. Need a scan? Choose the $39 in-person check.
2
Send the details
Share the code, car make/model/year, symptoms, and any repair quote you received.
3
Get an AI-assisted report
We summarize urgency, likely causes, estimated repair range, and useful mechanic questions.
4
Make a calmer repair decision
Use the report before you keep driving, visit a shop, or approve a repair.

Simple pricing

Start with a one-time report or join monthly if you drive for income.

If you already have a code

Online AI Report

$10 / report

For people who already know their Check Engine code.

  • Plain-English code explanation
  • Urgency level
  • Likely causes
  • Estimated repair range
  • Mechanic questions to ask
  • Delivered by chat/SMS
Buy Online Report
Best first scan

AI Car Check

$39 / check

In-person OBD scan + AI-assisted report in San Francisco.

  • OBD-II code scan
  • Fault code explanation
  • Urgency level
  • Likely causes
  • Estimated repair range
  • Next steps before visiting a shop
Book AI Car Check
For gig drivers

Driver Membership

$10 / month

Ongoing support for Uber, Lyft, DoorDash, Instacart, and other drivers.

  • Text-based AI car help
  • Repair quote second opinion
  • Maintenance reminders
  • Gas, repair, and downtime tips
  • Priority response
  • Member discount on in-person checks
Join Membership

Important: CheckEngineAI is a diagnostic support and second-opinion service, not a licensed repair shop. We do not replace an in-person inspection by a qualified mechanic and do not guarantee repair outcomes.

Need help now?

Use the chat bubble, text us, or buy the right report above.

Text CheckEngineAI Call 650-435-9531