Toyota IQ 1.4 D-4D 90 hp — Stage 1 file (+25 hp)
hp
Stage 1 file for Toyota IQ 1.4 D-4D 90 hp
Target +0 hp. Custom development for your engine.
Chip tuning for Toyota IQ 1.4 D-4D 90 hp ECU
Toyota IQ (2009) 1.4 D-4D 90 hp — mass-market diesel engine of the passenger segment of the Toyota Motor Corporation group (Япония, 1937). Stage 1 chip tuning raises power from 90 to 115 hp (+25 hp, +28%) and torque from 190 to 250 Nm (+60 Nm). The 2009 generation — first-generation CDI/TDI/HDi diesels with relatively simple ECU protection; OBD reading works directly.
Toyota Motor Corporation includes Lexus, Daihatsu and a stake in Subaru. DPF/SCR with AdBlue is standard on Euro-6 Toyota diesels. Toyota's diesel range is aimed mainly at pickups and SUVs (Hilux, Land Cruiser). D-4D is Toyota's badge for its turbo diesels.
The GR models (Yaris GR, Supra) have a growing tuning culture. Toyota has an active JDM tuning community (GR Supra, GR Yaris, GR86). The Denso ECU is a locked Toyota platform, and most models do not respond to standard chip tuning. Low-output Toyotas are naturally aspirated city cars, where Stage 1 is limited by the high compression ratio. Toyota's factory tuning runs close to the limit, leaving only modest headroom for Stage 1.
Frequently asked questions
How many horsepower does the Toyota IQ 1.4 D-4D 90 hp reach after a remap?
The Stage 1 gain for the Toyota IQ 1.4 D-4D 90 hp is 25 hp (+28%) over the stock 90 hp, for a total of 115 hp. Torque rises from 190 to 250 Nm (+60 Nm).
What is Stage 1 chip tuning for the Toyota IQ?
Stage 1 is a software optimization of the factory ECU firmware of the Toyota IQ with no hardware changes. The injection, boost, ignition-timing and torque maps are reprogrammed. The gain is +25 hp with no hardware changes.
Is Stage 1 worth doing on the base Toyota IQ?
Stage 1 on the base Toyota IQ is safe — the factory calibration of low-output engines leaves headroom for software optimization. The gain is modest, but engine life is not affected.
What is Stage 2 for the Toyota IQ 1.4 D-4D 90 hp?
Stage 2 on the Toyota IQ 1.4 D-4D 90 hp means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.
Does the factory warranty of the Toyota IQ remain valid after Stage 1?
After remapping the Toyota IQ, the official factory warranty on the engine and gearbox is lost (this applies to any manufacturer when the ECU is modified). CHIPOK guarantees the quality of the calibration and free revisions.
How long is the wait for a Stage 1 remap for the Toyota IQ?
Reading and writing via OBD takes 25-30 minutes on the Toyota IQ. Bench reading (BDM/JTAG) takes about 60 minutes plus refitting. Remote file processing at CHIPOK takes 5-30 minutes.
How do you roll back to the factory firmware of the Toyota IQ?
Before Stage 1 the original of the Toyota IQ 1.4 D-4D 90 hp is read out and saved — returning to the factory state is possible at any time.
How much does chip tuning the Toyota IQ 1.4 D-4D 90 hp cost?
The remap price for the Toyota IQ 1.4 D-4D 90 hp is dynamic and is calculated in the CHIPOK calculator based on the selected options. A credit-based payment model, with no subscription fees.