Chery T21 2014 Service Manual page 397

Low engine speed or stalls when accelerating
Diagnosis Procedure
1
Check air filter for blockage, and intake pipe for air leakage
Check and repair intake system
NG
2
Check fuel pressure
a. Using a fuel pressure gauge, check fuel pressure
Standard Fuel Pressure
Condition
Key ON
Engine Idling
Key LOCK
Repair or replace fuel system
NG
3
Check spark plug
a. Check spark plug of each cylinder, and observe if the type and gap are as specified.
Replace spark plug
NG
4
Check throttle for carbon deposits
Clean throttle
NG
5
Check air flow meter and throttle position sensor and wire harness
Check and repair wire harness or replace
NG
sensor
Chery Automobile Co., Ltd.
06 - SQR484F ENGINE MANAGEMENT SYSTEM
(See page 08-11).
Fuel System Pressure (kPa)
OK
400
400
400
OK
OK
OK
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06–
06