Denver's Original Mobile Diagnostic Professionals
"we just diagnose...we don't repair"
Call our dispatch line at
303-758-0909 for an appointment.

Inspection check list

Used cars

Specific problems


Contingency Statement

Oil Analysis

Consumer Information




Repair advice


Lease Return Inspections

Customer Comments

Are you a Do-it-Yourselfer? Failed Emissions testing? Want to know what needs to be repaired or replaced? Wondering if you'll be "sold the farm" when you take your car in for repairs or service?

Our technicians can help with a wide variety of problems, from vehicles that won't start to emissions test failures and everything in between.

Our rates are economical and we'll tell you only what needs to be repaired, not try to sell you a myriad of stuff and hope it corrects the problem. Sometimes, one item needs to be repaired before other symptoms or conditions can be accurately diagnosed. We have reduced rates for a second inspection if needed. Our diagnosis is guaranteed accurate or you don't pay for diagnostic time.
We can check for manufacturer service bulletins that may help repair your vehicle and even find hidden warranties that mean you might get repairs done for free!

We cover the entire Denver Metro area and schedule appointment times convenient for you.

Our technicians do not recommend shops or repair facilities. To do so would not be ethical for getting an unbiased opinion.

Send mail to with questions or comments about this web site.
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