Alfa Romeo 166 JTD 2.4 138
ECU Remapping

Alfa Romeo 166 JTD 2.4 138 power and torque after remapping

• Fuel: Diesel
• Standard power: 138 bhp, remapped: 173 bhp (+35 bhp, +25%)
• Standard torque: 310 Nm, remapped: 385 Nm (+75 Nm, +24%)
• Service: stage 1 ECU remap, fully dyno tested

Diesel Alfa Romeo 166: what changes with a remap

Diesel engines respond strongly to remapping because the ECU controls injection quantity, injection timing and turbo boost pressure. Re-calibrating those maps typically brings the biggest improvement in mid-range torque, which is what you feel when overtaking or towing.

For reference, JTD and Multijet are the Fiat Group names for its common-rail diesel engines.

How the Alfa Romeo 166 JTD 2.4 138 compares

Of the 7 diesel 166 engines in our data, this one comes 6th for power gain, which is 1 bhp below the 166 diesel average of 36 bhp.

Across our whole catalogue the average diesel remap adds 34 bhp and 73 Nm, so this engine's 35 bhp and 75 Nm sits at or above that benchmark.

Remapping your Alfa Romeo 166 across the UK

Remap Experts is a UK network of local remapping sites. Use Find a Local Tuner to reach your nearest site and get an exact quote.

Each remap is dyno tested before it is signed off, and is protected by a 30 day money back guarantee and a lifetime software warranty. Ask for a quote online or by phone.