Local Auto Repair

Check Engine Light Diagnosis in San Jacinto

A code points at a circuit, not a part. We test before anyone buys anything.

Free code readers give you a number. They do not tell you whether the sensor failed, the wiring chafed or the engine has a real mechanical fault making the sensor report correctly.

We scan every module, log live data on a road test and pinpoint the failure. Diagnostic time is billed at our flat hourly rate and credited toward the repair you approve.

What's included

  • Full-module scan — engine, trans, ABS, body, aftertreatment
  • Live data logging under load
  • Pinpoint circuit and voltage-drop testing
  • Smoke testing for boost, vacuum and EVAP leaks
  • Written findings with photos and measured values
  • Diagnostic time credited toward the repair

Questions we get

Can I just get the code read for free?

Plenty of parts stores will read it. We would rather diagnose it — a code is a starting point, and replacing parts off one is how people spend money twice.

Full Check Engine Light Diagnostics page

No obligation

Get a quote on check engine light

We use your info to quote your repair. No spam, no resale.

Searched for

check engine light San Jacintoengine diagnostics San Jacintocar computer diagnostic Hemetdiesel diagnostics San Jacintoreduced engine power diagnosisOBD2 code diagnosis near me

Visit the shop

Find us in San Jacinto

478 N. Scovell St., Unit F — industrial row off North Scovell Street, with bay doors facing the street and room for a dually and a trailer. Drop-off, tow-in and fleet check-ins all use the front counter.

Address & contact

478 N. Scovell St., Unit F
San Jacinto, CA 92583

(951) 392-9639

Hours

  • Monday – Friday8:00 AM – 5:00 PM
  • Saturday8:00 AM – 2:00 PM
  • SundayClosed
Full location page

More local auto repair

Free estimates · Free local towing with major repairs

Get a straight answer on your truck.

Tell us what it's doing. We'll tell you what it takes — in writing, before any work starts.