Frequently Asked Questions

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Diesel Dr. Diagnostics FAQ

Check out these FAQs and give us a call today for more information! We provide same-day turnaround services. Call (217) 728-1589.

  • Do you do deletes?

    No. It is illegal to do deletes.

  • Do I need to schedule an appointment?

    We prefer to have appointments made, however, we won't turn away any walk-ins who come to us. Call today to schedule an appointment or stop by!

  • Do you do electrical wiring?

    Yes, we are certified for electrical wiring!

  • Do you sell ECM's?

    Yes, we do! Call our team today to hear all about our ECM packages.

  • What are your hours?

    Monday - Saturday: 9:00 am - 5:00 pm. After hours remote kiosk Monday - Saturday: 5:00 pm - 9:00 pm. Sunday by appointment only.

  • Can you tell if my ECM is bad?

    Yes, we have multiple diagnostic equipment!

  • Are you affiliated with Davenport Iowa, Walcott Iowa, Mt. Vernon Illinois, Little Rock Arkansas, San Antonio Texas?

    No. We're only located in Effingham, IL. (Trademark)

  • Do you charge air cooler repairs?

    Yes we do, give us a call to schedule an appointment!

  • Do you refurbish ECM's or repair them?

    No, we only do programming for them.

  • Are you mobile?

    We have an established building on the lot we own, we're not mobile.

  • Where are you located?

    Effingham IL. (GPS GOOGLE MAPS)