12. Ineffective acceleration or flameout Table 1-62 81 S/N Operation Test Results Actions 1 Turn the ignition switch to ON. Check if there is trouble information records with a diagnostic instrument. Yes Remove the trouble No Next step 2 Check the air filter for smoothness. Yes Next step No Replace 3 Run the engine at an idle speed. Check if the rotation speed is normal. Yes Next step No Next step: Check and repair as per idle speed trouble items 4 Run the engine at an idle speed. Check if the intake air pressure is between 35kPa and 65kPa. Yes Next step No Check and repair 5 Run the engine at an idle speed.
Check if the ignition advance angle is normal after the coolant reaches normal operation. Yes Next step No Adjust ignition advance angle 6 Connect the fuel pressure gauge valve. Short-circuit the pin J1-47 and the pin J1-73 of the fuel bump relay, and run the fuel pump. Check if the fuel pressure is about 300kPa. Yes Next step No 10 7 Connect the battery and the fuel injector with a special connector. With the voltage supply of 12V, check the fuel injector for normal operation. Yes 9 No Next step 8 Wash the fuel injector and check the fuel injector again for normal operation. Yes Next step No Replace fuel injector 9 Check if the fuel is wrong or contains water.
Yes Replace fuel No 15 10 Check if the fuel pressure is lower than 250kPa. Yes Next step No 14 11 Close the fuel gauge valve. Turn on the ignition switch again and keep the fuel pump working for 3 seconds. Check if fuel pressure can be produced. Yes Next step No 13