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 MANUALSPLYMOUTH1984HORIZON BASE, 1.6 AREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMFUEL PUMPTESTINGPRESSURE TESTELECTRICAL
1984 Plymouth Horizon Base, 1.6 A
Pressure Test: Electrical
1984 Plymouth Horizon Base, 1.6 ASECTION Electrical
- Disconnect fuel line from carburetor. Install a "T" connector with a pressure gauge in the line and reconnect line to carburetor. Hold pressure gauge about 16" above fuel pump. Pinch off fuel return line (if equipped). Start engine and observe pressure.
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.