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Hyundai Equus: Check spark plugs and ignition system
Inspect your spark plugs as described in section 7 and replace them if necessary. Also check all ignition wiring and components to be sure they are not cracked, worn or damaged in any way.
Change to "winter weight" oil if necessary
To keep locks from freezingEvaporator Temperature Sensor Description and Operation
Description
The evaporator temperature sensor will detect the evaporator
core temperature and interrupt compressor relay power in order to
prevent evaporator from freezing by excessive cooling. ...
Fuel Pump Control Module (FPCM) Specifications
Specification
ltemSpecificationSupply Voltage (V)8~18Supply Current (A)Max. 10Fuel Pressure (kpa)Starting600Drive350 ~ 500Stop20 Under
...
Tires and wheels
CAUTION
When replacing tires, use the same size originally supplied with the
vehicle. Using tires of a different size can damage the related parts or make it
work irregularly.
✽ N ...