Chery automobile Service Manual page 192

Verify that the fuel inlet pipe has any
13
leakage or blockage.
Verify that the fuel return pipe has any
14
leakage or bending.
Turn the ignition switch to "ON" position
and connect the adaptor between ECU and
the wiring harness. Verify that the
voltages at following pins of ECU
15 including signal output terminal and
grounding terminal of the throttle position
sensor, and pins of 32# and 33# (used as
sensor's power supply of 4.5-5V) are
normal.
Verify that the ignition coil, the high
16 voltage cable and the spark plug are
normal.
Yes
No
Yes
No
Yes
No
Yes
No
G-83
Repair or replace the
fuel air inlet pipe.
Replace the fuel pump.
Repair or replace the
fuel return pipe.
Replace the fuel
pressure regulator.
Proceed to next step.
Repair or replace the
wiring harness.
Replace the ECU.
Repair the relevant
parts.