Hyundai Equus: If the engine will not start

If engine stalls while driving

1.Reduce your speed gradually, keeping a straight line. Move cautiously off the road to a safe place. 2.Turn on your emergency flashers. 3.Try to start the engine again. If your vehicle will not s ...

If engine doesn't turn over or turns over slowly

1. Be sure the shift lever is in N (Neutral) or P (Park) and the emergency brake is set. 2. Check the battery connections to be sure they are clean and tight. 3. Turn on the interior light. If the ...

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Repair procedures
Inspection [System Inspection] 1. Disconnect the vapor hose from the throttle body and connect a vacuum pump to the nipple on the throttle body. 2. Check the following points with applying ...

Troubleshooting
Trouble Symptom Charts Trouble Symptom 1 Trouble Symptom 2 Trouble symptomProbable causeRemedyThe set vehicle speed varies greatly upward or downward"Surging" (repeated alternating accelera ...

Heater Unit Repair procedures
Replacement 1. Disconnect the negative (-) battery terminal. 2. Recover the refrigerant with a recovery/recycling/charging station. 3. When the engine is cool, drain the engine coolant fro ...