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Maintenance Manual for Chery·Windcloud Marelli EFI System
12). Low rotating speed or engine flameout during acceleration 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 Make engine run at idle speed, and check to see No Refer to entry of Yes Go to next step 4 Make engine run at idle speed, and check to see No Overhaul Go to next step 5 Make engine run at idle speed, and check to see No Adjust ignition advance angle Yes Go to next step 6 Connect fuel pressure gauge valve. Strap the No Go to step 10 Yes Go to step 9 7 Provide 12V voltage directly from accumulator No Go to next step Yes Go to next step 8 Recheck injector to see if it is working in good No Replace injector Yes Replace fuel 9 Check if fuel is deteriorated or contains water. No Go to step 15 Yes Go to next step 10 Check if fuel pressure is lower than 250kPa No Go to step 14 Yes Go to next step 11 Shut down fuel gauge valve. Switch on ignition No Go to step 13 Yes Replace fuel pressure regulator 12 Turn on fuel guage valve, clamp fuel return pipe No Repair/ replace injector or fuel Yes Repair or replace 13 Check if leakage or clogging occurs in fuel inlet No Replace fuel pump 14 Check if fuel return pipe is blocked up or bent. Yes Repair or replace
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