Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSPLYMOUTH1985HORIZON L4-135 2.2L SOHCREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSENGINE CONTROL MODULEDIAGRAMSDIAGRAM INFORMATION AND INSTRUCTIONS
1985 Plymouth Horizon L4-135 2.2L SOHC
Diagram Information and Instructions
1985 Plymouth Horizon L4-135 2.2L SOHCSECTION Diagram Information and Instructions
When trying to find the diagram for a specific component or system, use the Group Index information or the Alphabetic Index to Wiring Diagrams under Electrical
Whenever a reference exists to another sheet or figure, find the corresponding diagram using the Group Index, Diagrams By Sheet Number, or Diagrams By Figure Number. The reference number for the subsequent diagram will match a listed group shown.
Whenever a reference exists to another sheet or figure, find the corresponding diagram using the Group Index, Diagrams By Sheet Number, or Diagrams By Figure Number. The reference number for the subsequent diagram will match a listed group shown.
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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.