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Maintenance Manual for Chery · Windcloud M7.9.7 EFI System
with fuel return interceptor to ensure no fuel No Repair/ replace injector or fuel pipe Yes Repair or replace fuel return pipe 16 Check if leakage or clogging occurs in fuel inlet No Replace fuel pump Yes Repair or replace fuel return pipe 17 Check if fuel return pipe is blocked up or bent. No Replace fuel pressure regulator Yes Clean up 18 Check if sensing hole of intake manifold pressure No Go to next step Yes Go to next step 19 Make engine run at idle speed, when coolant No Check oxygen sensor and wire Yes Eliminate leakage Check if leakage occurs in engine intake system. No Go to next step Yes Go to next step 21 Check if cylinder pressure of engine is normal. No Troubleshooting ECU 22 Make engine runat idle speed, and check to see if No Check others
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