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Chery T11 Service Manual Electric Injection System 81
12) The engine speed increases difficultly or the engine shuts down when acceleration
No. Operation Step Detection Result Subsequent Step 1 Place the ignition switch on the “ON” position, and apply the failure diagnosis instrument to examine and confirm whether there are some failure information records. Yes Remove the displayed failure No Next step 2 Examine and confirm whether the air cleaner is unobstructed. Yes Next step No Replace 3 Enable the engine to operate at idle speed, and examine and confirm whether the speed is normal during idle operation. Yes Next step No Refer to the idle failure items to examine and repair 4 Enable the engine to operate at idle speed, and examine and confirm whether the intake pressure is 35 to 55 kPa. Yes Next step No Examine and repair 5 Enable the engine to operate at idle speed, and, after the coolant temperature reaches the normal value, examine and confirm whether the ignition advance angle is normal. Yes Next step No Adjust the ignition advance angle 6 Connect the fuel pressure gage valve, short circuit the No 30 pin and No 87 pin of the fuel pump relay to enable the fuel pump to operate, and examine and confirm whether the fuel pressure is approximate 350 kPa. Yes Next step No 10 7 Apply the special connecting terminal to directly supply the fuel injector 12 V voltage from the battery, and examine the normal operation of fuel injector. Yes 9 No Next step 8 Rinse the fuel injector, and then reexamine the normal operation of fuel injector. Yes Next step No Replace the fuel injector 9 Examine and confirm whether the fuel deteriorates or contains water Yes Replace fuel No 15 10 Examine and confirm whether the fuel pressure is below 350 kPa. Yes Next step No 14 11 Shut off the fuel gage valve, turn on the ignition switch again to enable the fuel pump to operate again, and examine and confirm whether the fuel pressure can be established. Yes Next step No 13 12 Turn on the fuel gage valve, apply the fuel return immobiliser to clip the fuel return pipe tightly so as to make it hasn’t fuel return, and examine and confirm whether it is able to establish Yes Replace fuel pressure regulator |