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Frequently Asked Questions about ECU Remapping
How much horsepower can you gain with ECU remapping?
Horsepower gains from remapping vary by engine type. Turbocharged diesel engines typically gain +20-30% power (e.g. from 150hp to 180-195hp). Turbocharged petrol engines gain +15-25%. Naturally aspirated engines have smaller gains (+5-10%). Use the selector above to see exactly how much horsepower your specific vehicle can gain.
Is ECU remapping safe for my engine?
Yes, when performed by professionals like MasterTuning. Our remaps are developed and tested on a 4x4 dyno, respecting the engine's safety margins. We offer a 2-year warranty on all calibrations.
Does remapping increase fuel consumption?
No, it often reduces it. With more torque at low revs, the engine works less to move the vehicle. Many customers report 5-15% fuel savings, especially on diesel engines.
Can I revert to the original mapping?
Absolutely yes. Before every remap, we save the original ECU file. The procedure is 100% reversible at any time.
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