![]() ![]() ![]() ![]() For modern engines, adaptations are created for: accelerator pedal, throttle, VANOS, crankshaft, camshaft and knock sensors, fuel and ignition supply, wide-band Lambda probes, NOx sensor, etc. Long-term fuel trim coefficients and maps describe differences between perfect function of several technical solutions (for example, equipment unit & sensors) and current performance in real time (parameters and curves) – observing unit’s and/or sensor’s performance, engine “learns” and makes corrections in its performance. To perform adaptations: to create an initial maps for all management systems (long-term fuel trim map, ignition map, etc.) and coefficients (multipliers for cold engine fuel corrections, etc.). What does it means – to perform adaptations? Performing adaptations is very important stage after replacing any meaning component of engine.
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