Home Auto Repair 1991 Mitsubishi Eclipse GSX 2.0L Motor starts and stalls, MPI relay clicks...

1991 Mitsubishi Eclipse GSX 2.0L Motor starts and stalls, MPI relay clicks off and the fuel pump stops running

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Download Tests/Procedures: 1. Check the Electronic Control Unit (ECU) powers and grounds. Powers are at pins #102, 103, 107 and 110. Grounds are pins 101 and 106. 2. Check the ECU control of the Multi-port Injection (MPI) relay. At start-up, the ECU grounds pins 56 and 63 3. If good, replace the Powertrain Control Module (PCM). Potential Causes: Engine Control Unit (ECU) MPI Relay Wiring Harness Diagnostic Codes: None 1991 Mitsubishi Eclipse, GSX 2.0L * Replaced Engine Control Unit (ECU)