14. DOWNTOWN 125 i FUEL SYSTEM (Auto Control Fuel Injection System)
TROUBLESHOOTING
Engine won't start Backfiring or misfiring during acceleration
· Battery voltage too low · Ignition system malfunction
· Fuel level too low
· Pinched or clogged fuel hose Poor performance (drive ability) and poor
· Faulty fuel pump operating system fuel economy
· Clogged fuel filter (fuel pump) · Pinched or clogged fuel hose
· Clogged fuel injector · Faulty fuel injector
· Faulty spark plug or wrong type
· Cut by ECU due to angle detect sensor or incorrect function
Engine stall, hard to start, rough idling
· Intake air leak
· Fuel contaminated/deteriorated
· Pinched or clogged fuel hose
· Idle speed misadjusted
14-4
4.7 / 5