Hyundai Accent: Check spark plugs and ignition systemInspect 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 freezingFuel Pressure Control Valve. Repair procedures
Inspection
1.
Turn the ignition switch OFF and disconnect the battery
negative (-) cable.
2.
Disconnect the fuel pressure regulator valve ...
Removal
Engine removal is not required for this procedure.
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Use fender covers to avoid damaging painted ...
Inspection
1.
Check the signal waveform of the CMPS and CKPS using
the GDS.
Specification:
Refer to “Wave Form”
...