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 PERFORMANCESYSTEM1.6L & 2.2L EFC SYSTEMTESTINGELECTRONIC SPARK CONTROL SYSTEM TESTSFAILURE TO START TEST
1984 Plymouth Horizon Base, 1.6 A
Failure To Start Test
1984 Plymouth Horizon Base, 1.6 ASECTION Failure To Start Test
- Measure and record battery voltage. Check battery specific gravity, which must be 1.220 (temperature corrected) to deliver proper voltage to ignition system.
- Remove coil secondary wire from distributor cap and hold 1/4" from a good ground. Prepare a special jumper wire assembly as shown in Fig 1 . With ignition switch on, momentarily touch special jumper wire to ground and coil negative terminal. A spark should be obtained at secondary wire.
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.