Considering an ECU remap for your Toyota IQ 1.4 D-4D 90hp? A Stage 1 remap can take this 2009 -> diesel engine from 90 BHP to 115 BHP and from 190 Nm to 250 Nm of torque (turbocharged). This engine scores 7.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Toyota IQ can achieve.
The Toyota IQ 1.4 D-4D 90hp is a 1.4L turbocharged diesel engine producing 90 BHP and 190 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 115 BHP and 250 Nm — a gain of around 25 BHP (28%) and 60 Nm (32%).
This engine scores highly for remap suitability, with a balanced spread of gains across both power and torque — providing a noticeable improvement across the rev range. The tuning headroom is classified as high, based on the percentage gain available from the factory output.
Considerations: Large torque increase: drivetrain condition (clutch/gearbox) becomes more important at this level.. Older diesel: injector, turbo and intake condition can affect results; ensure maintenance is up to date.
Fuel economy note: economy gains unlikely at full power; depends on driving style.
All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method. We recommend discussing your specific vehicle with a qualified remap professional.
| Engine | BHP | Gain | Torque | Gain | Score |
|---|---|---|---|---|---|
| 1.0 VVT-i 68hp | 68 → 80 | +12 | 91 → 104 | +13 | Moderate (5/10) |
| 1.3 VVT-I 98hp | 98 → 105 | +7 | 125 → 135 | +10 | Moderate (4/10) |
Get a personalised remap quote for your Toyota IQ. We'll connect you with a trusted professional in your area.
All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method.
We recommend discussing your specific vehicle with a qualified remap professional before proceeding.
