Nissan Note [1649/1872] Ec 1649

Nissan Note [1649/1872] Ec 1649
TROUBLE DIAGNOSIS
EC-1649
[K9K]
C
D
E
F
G
H
I
J
K
L
M
A
EC
CHART 13: EXCESSIVE CONSUMPTION
1. CHECK LOW PRESSURE CIRCUIT
Check the low pressure circuit using TEST 1. Refer to EC-1660, "
TEST 1: LOW PRESSURE CIRCUIT
CHECK" .
>> GO TO 2.
2. CHECK FUEL PUMP
Is the high pressure actuator leaking?
Yes or No
Yes >> Carry out the required repairs.
No >> GO TO 3.
3. CHECK FUEL PUMP TEMPERATURE SENSOR
Is the fuel pump temperature sensor leaking?
Yes or No
Yes >> Replace the fuel pump temperature sensor.
No >> GO TO 4.
4. CHECK LOW PRESSURE CIRCUIT
Check the low pressure circuit using TEST 1. Refer to EC-1660, "
TEST 1: LOW PRESSURE CIRCUIT
CHECK" .
>> GO TO 5.
5. CHECK FUEL INJECTORS
Check the fuel injectors using TEST 3. Refer to EC-1662, "
TEST 3: FUEL INJECTOR CHECK" .
>> GO TO 6.
6. CHECK HIGH PRESSURE CIRCUIT
Check for leaks in the high pressure circuit using TEST 8. Refer to EC-1665, "
TEST 8: HIGH-PRESSURE
CIRCUIT LEAK CHECK" .
>> GO TO 7.
7. CHECK INLET AIR CIRCUIT
Check the inlet air circuit using TEST 5. Refer to EC-1663, "
TEST 5: AIR INLET CIRCUIT CHECK" .
>> GO TO 8.
8. CHECK ENGINE PARAMETERS
Check the engine parameters using TEST 4. Refer to EC-1663, "
TEST 4: PARAMETER CHECK" .
>> GO TO 9.

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