*Note: I do not recommend this as a fix or repair, it is just for educational purposes.
I take apart a malfunctioning MEMS Main Relay Module to find out what was causing it to malfunction.
These modules are fitted to many Rover built cars but this specific one came out of a 1998 Mini with the MPI fuel injection system.
The problem was that the module would not properly operate the main fuel pump. It worked in cold weather but not in hot weather.
I disassemble the module to find damaged contact pads on the relays.
After cleaning the damaged pads, I reassemble and test the unit.
Негізгі бет Mini MPI Main Relay Failure! Tear down and Diagnosis
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