This Saab-developed system automatically and instantly adjusts ignition, fuel injection and, in turbocharged models, turbo boost pressure, thereby offering both environmental and performance benefits. Previously, Saab Trionic was only offered on turbocharged 9000 models.
Powered by a 32-bit microprocessor, Saab Trionic engine management improves performance by constantly monitoring the combustion process, then adjusting engine operating parameters to eliminate, for example, harmful engine knock. The special "trick" within Trionic is the utilization of the simple spark plug, which performs double-duty by also serving as a combustion sensor. Ionization voltage is measured across the plug gap to determine combustion efficiency, and Saab Trionic then adjusts engine systems for optimal performance and efficiency.
Courtesy of Trionic, Saab engine performance is improved and peak torque is available at decreased rpm levels, which translates to greater acceleration capability at lower speeds.
By controlling the combustion process so stringently, Saab Trionic engine management also contributes to improved fuel economy and lower exhaust emission levels.
Source: saabhistory.comAdded: 2 March 2010