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 MANUALSHYUNDAI1994SONATA BASE, 2.0 F, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROLS - BASIC TESTINGIGNITION CHECKSDIRECT IGNITION SYSTEM (DIS - 2.0L)SPARK (SPARK PLUG)
1994 Hyundai Sonata Base, 2.0 F, Standard
Spark (Spark Plug)
1994 Hyundai Sonata Base, 2.0 F, StandardSECTION Spark (Spark Plug)
Connect spark plug to a high tension cable. Ground outer electrode (main body of spark plug), and crank engine. Spark should occur in discharge gap between electrodes. Spark plug gap should be .039-.043" (1.0-1.1 mm).
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.