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Maintenance Manual for Chery·Windcloud Marelli EFI System
4). Rotating speed is normal, but starting is difficult all along
Step Operation Result Solution Yes Eliminate failure displayed 1 Set ignition switch in “ON”. Check with scanner No Go to next step Yes Go to next step 2 Check if air filter is smooth. No Replace Go to next step 3 After successful starting, check to see if intake No Eliminate intake system air leakage 4 Slightly step down on throttle to see if the Yes Replace/check throttle and idle Yes Go to next step 5 Connect fuel pressure gauge valve. Strap the No Go to step 9 Yes Go to step 8 6 Provide 12V voltage directly from accumulator No Go to next step Yes Go to next step 7 Recheck injector to see if it is working in good No Replace injector Yes Replace fuel 8 Replace fuel and check if fuel is deteriorated or No Go to step 14 Yes Go to next step 9 Check if fuel pressure is lower than 350kPa No Go to step 13 Yes Go to next step 10 Shut down fuel gauge valve. Switch on ignition No Go to step 12 Yes Replace fuel pressure regulator 11 Turn on fuel guage valve, clamp fuel return pipe No Repair/ replace injector or fuel pipe Yes Repair or replace fuel inlet pipe 12 Check if leakage or clogging occurs in fuel inlet No Replace fuel pump Yes Repair or replace fuel return pipe 13 Check if fuel return pipe is blocked up or bent. No Replace fuel pressure regulator Yes Go to next step 14 Pull out the idle speed stepper motor connector No Repair or replace idle speed stepper Yes Go to next step 15 Set ignition switch in “ON”. Check if the No Check wire harness
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