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 Tank Pressure Sensor
(FTPS). Specifications
Specification
Pressure [kPa (kgf/cm², in
H2O)
Output Voltage (V)
-6.67 (-0.068, -26.8)
0.5
0
2.5
...
Repair procedures
Troubleshooting
Starter Circuit
The battery must be in good condition and fully charged.
1.
...
Output Speed Sensor. Troubleshooting
Signal Waveform
Fig 1) Input/Output speed sensor at low speed
Fig 2) Input/Output speed sensor at high speed
...