Main Relay (Computer/Fuel System): Description and Operation

1994 Eagle Summit Wagon AWD L4-1795cc 1.8L SOHCSECTION Description and Operation

Multiport Fuel Injection Relay:




Multiport Fuel Injection Relay:






OPERATION
While the ignition switch is ON battery power is supplied to the engine control module the injector the volume air flow sensor etc.

When the ignition switch is turned ON current flows from the ignition switch through the multiport fuel injection relay coil to ground. This turns "ON" the multiport fuel injection relay switch and power is supplied from the battery through the multiport fuel injection relay switch to the engine control module.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.