Automotive Diagnostics & Check Engine Light Service in Salem, UT

If your car has a warning light on, runs rough, or just doesn’t feel right—don’t guess. Get real answers. At Tried and True Auto in Salem, Utah, our expert technicians specialize in advanced vehicle diagnostics that uncover the true cause of problems—saving you money, frustration, and wasted time at less-equipped shops.

We’re proud to be known throughout Utah County for finding the fix when others can’t.

Why Drivers Trust Tried and True Auto for Diagnostics

Advanced Equipment, Expert Insight

Our shop is equipped with modern diagnostic tools—OEM-level scan tools, lab scopes, and data analyzers that read far beyond generic code readers. But technology is only part of the equation. Our technicians pair advanced data interpretation with real-world experience to isolate root causes, not just symptoms.

Proven Track Record of Accuracy

Many customers come to us after spending hundreds elsewhere without resolution. We take pride in identifying the actual failure—whether it’s a hidden wiring fault, sensor issue, intermittent misfire, or module communication error. Our methodical process eliminates guesswork and prevents unnecessary parts replacement.

Full-System Diagnostic Capability

We go beyond “Check Engine” lights. Our diagnostic services include:

• Engine performance and drivability issues

• Transmission and shifting problems

• ABS and traction control faults

• Electrical and charging system failures

• Climate control and sensor circuit diagnostics

• Computer and communication (CAN bus) issues

Transparent Reporting & Clear Recommendations

Once we’ve pinpointed the issue, we’ll walk you through exactly what we found—showing live data, fault codes, and evidence when applicable. You’ll get honest recommendations, a written estimate, and options that fit your goals and budget.

Repairs You Can Rely On

Because we start with accurate diagnostics, our repairs last. We use high-quality parts and OEM procedures to restore your vehicle to factory-grade performance—without unnecessary upsells or guesswork.

Common Signs You Need Professional Diagnostics

• Check engine or service lights on the dash

• Poor acceleration, rough idle, or stalling

• Reduced fuel economy

• Unexplained warning lights or sensor errors

• Electrical malfunctions or intermittent issues

If another shop has been unable to solve the issue—or you’ve replaced parts with no improvement—it’s time to let Tried and True Auto take a closer look.

Get Real Answers—Not Guesses

Stop wasting money on trial-and-error repairs. Call (801) 317-1800 or visit Tried and True Auto in Salem, UT—just minutes from Spanish Fork—for accurate, advanced automotive diagnostics that fix the problem for good.