Maintenance: Service and Repair

1985 Plymouth Horizon L4-135 2.2L SOHCSECTION Service and Repair
The Power Loss/Limit lamp will be illuminated for approximately 3 seconds after the ignition switch has been placed in the On position as a bulb check. If incorrect or no signals are received by the logic module from various sensors, the logic module will illuminate the Power Loss/Limit lamp. After diagnosing and servicing the fuel injection system or EGR system (California models with EGR sensor), the logic module memory can be cleared by disconnecting and reconnecting the battery quick disconnect.
RENDER: 1.0x

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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.