Check Engine Light Diagnostics & Repair
When your check engine light comes on, don’t ignore it — and don’t panic. At Wizards Auto Repair, we use advanced ECU diagnostic equipment to quickly identify exactly what’s wrong and provide an honest, affordable repair plan.
What Can Trigger a Check Engine Light?
- Oxygen sensor issues — affects fuel economy and emissions
- Catalytic converter problems — required for emissions compliance
- Mass air flow sensor — impacts engine performance
- Spark plugs & ignition coils — causes misfires and rough running
- Loose gas cap — simple fix, big worry
- EGR valve malfunction — affects engine efficiency
- Transmission issues — slipping, shifting problems
- Engine vacuum leaks — rough idle, poor performance
Our Diagnostic Process
- Code scan — we read all diagnostic trouble codes (DTCs) from your vehicle’s computer
- In-depth diagnosis — we don’t just read codes; we trace the root cause using live data, sensor readings, and system tests
- Clear explanation — we explain exactly what’s wrong in plain English
- Repair options — we provide a transparent estimate with options
- Same-day repair — most check engine light issues can be fixed the same day
ECU Programming & Advanced Diagnostics
For complex electrical issues, we offer ECU programming and reprogramming. Our technicians can update your vehicle’s computer software, reset adaptive learning, and reprogram modules after replacement — services that many shops can’t perform.
Frequently Asked Questions
Is it safe to drive with the check engine light on?
A steady check engine light usually means a non-emergency issue, but you should get it checked soon. A flashing check engine light means a serious problem (like engine misfires) — pull over safely and call for service or towing.
How much does a check engine light diagnosis cost?
Our diagnostic fee is competitive and applied toward any repairs you approve. Contact us for current pricing.
Can you clear my check engine light for inspection?
We can clear codes, but they’ll return if the underlying issue isn’t fixed. We recommend proper diagnosis and repair so your vehicle passes inspection and runs reliably.
Do you work on all makes and models?
Yes! Our diagnostic equipment covers all domestic and import vehicles — Ford, Chevy, Toyota, Honda, BMW, Mercedes, Hyundai, and more.
Check engine light on? Call (657) 739-9019 for same-day diagnostics at 985 Randolph Ave, St Paul, MN 55102.
