TDI (Turbocharged Direct Injection) tuning is a popular modification that car enthusiasts use to increase their vehicle’s horsepower and torque, improve fuel economy, and overall performance. TDI tuning is the process of reprogramming the vehicle’s engine control unit (ECU) to…
Introduction: If you’re a performance enthusiast who wants to push your car’s limits, then stage 3 tuning is the ultimate upgrade you should consider. Stage 3 tuning involves making significant modifications to your car’s engine, suspension, and drivetrain to achieve…
Introduction If you’re a performance enthusiast looking to take your car to the next level, then stage 1 tuning is a modification you should consider. Stage 1 tuning is a popular upgrade that can boost your car’s horsepower and torque…
The VE map describes the pumping efficiency of the engine during steady state conditions. This is used to estimate the airmass charge and, consequently, the fuel charge very effectively as long as conditions remain steady. Transient, or changing, conditions such…
Actuators are electromechanical devices that enable an EMS to make things happen in the world. In the realm of EFI, these include such devices as fuel injectors, boost controllers, and idle air control valves. Most but not all actuators are…
Tuning for Dyno Numbers. The first thing that comes to mind when comparing two similar engines is power or torque output. Since these are measured on a dynamometer, the ultimate goal when building or tuning an engine is commonly expressed…
Read Part 2 First : ECU Map Training (Reading & Writing ) – Part 2 Zone 6 A naturally aspirated engine will travel through this zone at WOT. Manifold pressure may be slightly lower than atmospheric pressure if there is…
Hacking into an automotive control module far enough to retrieve its current firmware and configuration is really just the beginning of the adventure. At this point, you probably have anywhere from 4KB to 4MB of raw machine-ready code, with a…