Smitty & Sons Repair offers mobile performance ECM tuning in Lewiston, ID. From fuel economy to added torque, we optimize diesel engine performance—right at your location.

Performance ECM Tuning in Lewiston, ID
Looking to boost power, fuel economy, or throttle response? Smitty & Sons Repair offers mobile performance ECM tuning in Lewiston, ID—giving your diesel engine the optimized performance it was built for.
On-Site ECM Tuning for Diesel Trucks
Your truck’s Engine Control Module (ECM) is the brain behind performance, fuel delivery, emissions, and shift points. We provide custom ECM tuning services directly at your location, using advanced tools and tuning software to adjust parameters for better drivability and efficiency.
Our ECM tuning services include:
- Fuel map and timing optimization
- Horsepower and torque increases
- Throttle response improvement
- Idle and regen cycle adjustments
- Shift point recalibration for automatics
- Removal of unnecessary power restrictions (within legal limits)
We tune most major diesel platforms and will walk you through the process so you know exactly what’s being adjusted.
Why Choose Smitty & Sons for ECM Tuning?
We bring the tuning equipment and expertise to you—no need to haul your truck into a shop. Whether you're looking for more pulling power, smoother engine response, or better MPG, our tuning solutions are tailored to your performance goals.
Our mobile-only model means less downtime and more control over when and where your truck gets optimized.
Need ECM Tuning in Lewiston, ID? Call 208-791-0677
Ready to unlock your truck’s full potential? Call 208-791-0677 today to schedule mobile ECM tuning in Lewiston, ID with Smitty & Sons Repair.
FAQs
Is ECM tuning safe for my engine?
Yes—when done properly. We adjust manufacturer-safe parameters to improve efficiency and performance without compromising engine longevity.
Can you tune my fleet trucks?
Absolutely. We provide custom ECM tuning for individual rigs and commercial fleets.
What trucks do you tune?
We work with most diesel platforms, including Cummins, CAT, Detroit, International, and PACCAR engines.
Will this affect my emissions system?
Our tuning stays within legal emissions standards unless otherwise specified. We do not perform emissions deletes.
Comprehensive Diesel Truck Repairs in Lewiston, ID
When it comes to diesel truck repairs, Smitty & Sons Repair is equipped to handle it all. Our tire repair in Lewiston, ID addresses everything from slow leaks to blowouts, while our brake repair service ensures your air brakes, drums, and shoes are functioning safely. We also specialize in coolant system repair to prevent overheating, and performance ECM tuning to optimize engine efficiency and fuel economy.
Testimonials
Here's What our customers are saying, feel free to leave us a review!
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