Was driving my '93 RRC and had to hard brake and swerve to miss a tire. Engine immediately died and left me stranded. I checked the relay ground, voltage to relay, wiring back to ECU pin 16 and inertia switch, all seem fine. Question, what could have come loose that would keep the ECU from grounding pin 16 for "fuel request"? I heard mention of the crank position sensor and also resistor from coil to ECU. Anything else I might want to check? The diagnostic screen shows 02 so I don't think I have any obvious codes. Ideas?