myroad700 Workshop-manual : Page 119

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Page 121

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          6. AFI (AUTOMATIC FUEL INJECTION)                                         MYROAD 700i


TROUBLESHOOTING
Engine would not start                      Backfiring or misfiring during acceleration
· Intake air leak                           · Ignition system malfunction
· Fuel contaminated/deteriorated
· Pinched or clogged fuel hose
· Faulty fuel pump
· Clogged fuel filter
· Sticking fuel injector needle
· Faulty fuel pump operating system



Engine stall, hard to start, rough idling   Poor performance (drive ability) and poor
· Intake air leak                           fuel economy
· Fuel contaminated/deteriorated            · Pinched or clogged fuel hose
· Pinched or clogged fuel hose              · faulty injector
· Idle speed misadjustment
· Fail to perform TPS/ISC reset




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