KYMCO Downtown 350i Repair Manual page 362

6.Fuel System
Faulty fuel
41 P0230
pump
Faulty
45 P0135
2
O sensor heater
49 P1505
Faulty ISC
66 P0335
Faulty CPS
Select the previous options to return to the original screen.
• Faulty Fuel pump fl range (F: 1100 ± 33 Ω E:
100 + 3 Ω)
• Loose or poor connection on fuel pump
• Open or short circuit on fuel pump wire
• Faulty fuel pump
• Faulty O 2 sensor heater Ω range (6.7 -9.5 Ω)
• Loose or poor connection on O
• Open or short circuit on O
• Faulty O 2
sensor heater
• Loose or poor contacts on ISC
• Open or short circuit in ISC wire
• Faulty ISC
• Loose or poor connection on CPS sensor
• Open or short circuit on CPS wire
• Faulty CPS sensor
6-61
Downtown 350i
Engine fails to be
operated
Engine starts
2
sensor heater
normally but not
2
sensor heater wire
smooth
Engine operates
normally
Engine starts
normally but not
smooth