Car Diagnostics in Irving, TX
NexGen Auto offers car diagnostics in Irving, TX — check engine light scans, electrical testing, sensor and live-data checks, and performance-issue troubleshooting for cars, trucks, and SUVs.
What we hear from drivers.
- Check engine light on (steady or flashing)
- Rough idle, stalling, or hesitation
- Reduced power or limp mode
- Unusual fuel economy
- Hard cold-starts or no-start condition
- Other warning lights (ABS, traction, airbag, charging)
What you get.
- Full OBD-II code read across all modules
- Live data review under load and at idle
- Targeted electrical, vacuum, or sensor testing
- Written diagnosis with proposed repair scope
Diagnose first. Then repair.
- 01
Connect
Read codes from every available module, not just the engine.
- 02
Test drive
Capture live data while we replicate the symptom.
- 03
Isolate
Narrow the code to a root cause — sensor, wiring, or part.
- 04
Explain
Plain-English write-up: what's wrong, what fixes it.
Local shop. Honest answers.
NexGen Auto is based at 1540 E 6th St in Irving, TX — easy reach from Las Colinas, Valley Ranch, Coppell, Grand Prairie, and the DFW Airport area. We service cars, trucks, and SUVs, and we work on daily drivers, lifted trucks, and Jeeps.
Every job starts with a written estimate. Parts are OEM-grade by default; we'll show you the budget option when one makes sense and let you decide. Nothing leaves the bay without a short road test to confirm the repair held.
Things that often come together.
Common questions.
What does a check engine light actually mean?
A code is a starting point, not a diagnosis. A P0420 (catalyst efficiency) might be a bad cat, but it can also be a failing upstream O2 sensor, an exhaust leak, or a misfire. We read the code, then verify.
How much does a diagnostic cost?
We charge a flat diagnostic fee that's credited toward the repair if you have us do the work. We tell you the fee up front when you drop off.
Can you fix it the same day?
Sometimes — minor sensor or simple fault diagnoses can wrap same-day. Intermittent or electrical-gremlin issues sometimes need overnight to catch the failure in live data.
My light flashes when I drive. Is that worse?
Yes. A flashing check engine light usually means an active misfire that can damage the catalytic converter quickly. Bring it in soon and drive gently on the way.
Drop by. Or call ahead.
- Address
- 1540 E 6th St
Irving, TX 75060 - Hours
- Mon – Sat8 AM – 7 PMSunday10 AM – 5 PM
