Engine Tuning
Auto Engine Tuning in Arlington & Pantego, TX
Performance and economy engine tuning for drivers across Arlington, Pantego, Dallas, Fort Worth, Euless, Mansfield, Keller and Southlake. Platinum Express Auto Repair delivers honest pricing, quality parts and warranty-backed work — your trusted local auto shop in Pantego, Texas.
Expert service
OEM spark plugs gapped to spec
Quality parts
Coil & ignition diagnostics
Fast turnaround
Fuel injector & throttle service
Warranty-backed
Mass airflow & O2 sensor testing
Warning signs you need engine tuning service
- Engine hesitates or misfires
- Lost power or poor MPG
- Rough idle
- Spark plugs 60k+ miles old
- Cold-start issues
- Check-engine misfire codes
Our process
- 1Diagnose
Live data — fuel trims, knock retard and misfire counters analyzed.
- 2Replace
Plugs, coils, filters and ignition wear items renewed.
- 3Clean
Throttle body, intake valves and injectors cleaned.
- 4Verify
Adaptive learning reset, road test, fuel trims confirmed clean.
Engine Tuning service across the DFW area
We serve drivers in all of these cities and surrounding neighborhoods:
Frequently asked questions
Is tuning the same as a tune-up?
Engine tuning focuses on dialing in spark, fuel and ignition; tune-ups also include scheduled maintenance.
Will I gain power?
Most customers feel smoother throttle and 1–3 MPG improvement.
Do you do performance tunes?
ECU performance flashing available on supported makes — ask for details.