Chery Tiggo 5 (T21). Service manual - part 98

06–

234

06

a. Observe if trouble occurs just after fuel is filled.

a. Check if engine ignition sequence and ignition timing are as specified.

a. Check exhaust system for leakage or blockage.

6

Check injector for leakage or blockage

OK

Clean or replace injector

NG

7

Check fuel condition

OK

Replace fuel

NG

8

Check engine ignition sequence and ignition timing

OK

Check and repair ignition timing

NG

9

Check exhaust system

OK

Repair or replace related exhaust system 
components

NG

OK

06–

235

06

a. Disconnect ECM connector E-033.
b. Turn ignition switch to ON and check ECM connector 

terminals.

10

Check ECM power supply and ground

E-033

49 50 51

63

64

15

16

31

32

47

48

33 34 35

17 18 19

1 2 3

52 53 54 55 56 57 58 59 60 61 62

36 37 38 39 40 41 42 43 44 45 46

20 21 22 23 24 25 26 27 28 29 30

4 5 6 7 8 9 10 11 12 13 14

-

+

V

RT21065069

Multimeter 

Connection

Condition

Specified 

Condition

E-033 (35, 20) - 

E-033 (63 or 64)

Ignition switch ON

11 to 14 V

Repair or replace related wire harness

NG

Go to Diagnostic Help

OK

06–

236

06

Diagnosis Procedure

a. Using a fuel pressure gauge, check fuel pressure (

See page 08-11

).

Standard Fuel Pressure

a. Check spark plug of each cylinder, and observe if the type and gap are as specified.

Slow response when accelerating

1

Check air filter for blockage, and intake pipe for air leakage

Check and repair intake system

NG

2

Check fuel pressure

OK

Condition

Fuel System Pressure (kPa)

Key ON

400

Engine Idling

400

Key LOCK

400

Repair or replace fuel system

NG

3

Check spark plug

OK

Replace spark plug

NG

4

Check throttle for carbon deposits

OK

Clean throttle

NG

5

Check air flow meter and throttle position sensor and wire harness

OK

Check and repair wire harness or replace 
sensor

NG

06–

237

06

a. Observe if trouble occurs just after fuel is filled.

a. Check if engine ignition sequence and ignition timing are as specified.

a. Check exhaust system for leakage or blockage.

6

Check injector for leakage or blockage

OK

Clean or replace injector

NG

7

Check fuel condition

OK

Replace fuel

NG

8

Check engine ignition sequence and ignition timing

OK

Check and repair ignition timing

NG

9

Check exhaust system

OK

Repair or replace related exhaust system 
components

NG

OK