5.
CHECK KNOCK SENSOR
• Check knock sensor.
Is the check result normal?
Yes
>> Go to the next step.
No
>>
Repair as necessary.
Verify the symptom no longer exists.
6.
CHECK TIMING
• Check the base engine timing for misalignment.
Is the check result normal?
Yes
>> Go to the next step.
No
>> Align the engine timing belt (See Engine Timing Belt Removal & Installation in Section 02 Engine).
7.
CHECK FUEL SYSTEM PRESSURE
• Release the fuel system pressure (See Fuel Pressure Relief Procedure in Section 04 Fuel Delivery).
• Check fuel system pressure (See Fuel Pressure Test in Section 04 Fuel Delivery).
Is fuel pressure correct?
Yes
>> Go to the next step.
No
>>
If the fuel pressure is greater than 400 kPa (4 bar):
− Replace the fuel pressure regulator.
If the fuel pressure is less than 400 kPa (4 bar):
− Check fuel supply system for restriction or leak.
− If no problems, repair or replace fuel filter, pressure regulator or fuel pump assembly.
8.
CHECK FOR BASE ENGINE CONCERNS
• Check for base engine concerns (such as improper cylinder compression, worn camshaft/valve train, gasket
leaks).
Is a fault indicated?
Yes
>> Repair as necessary.
No
>> See Diagnostic Help for additional information.
ELECTRONIC ENGINE CONTROLS - ENGINE SYMPTOM DIAGNOSIS
03–192
Chery Automobile Co., Ltd.
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