The MPI/MPFI is a very expensive injection system whose control unit additionally controls the electronic ignition.
The MPI/MPFI injection control unit is capable of full diagnostics. This means that failures that occur during operation are stored in the computer's memory, the information in which is erased only after the battery is disconnected.
What is ingenious about this system is that it also remembers those defects that occur only for a short time. From experience, these are just the defects that are the most difficult to detect.
After 50 engine starts, the defect that appeared only once is automatically erased in the computer's memory.
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