17B-90V2 MR-376-X76-17B050$082.mif
PETROL INJECTION
Fault finding – Interpretation of faults17B
V42 Injection
Program No.: 2A
Vdiag No.: 04, 05, 06,
14, 16, 18
AFTER REPAIRFollow the instructions to confirm repair.
Deal with any other faults.
Clear the stored faults.
DF398
CONTINUED 1
– The fuel ducts between the injector rail and the injectors (see MR 388 (Logan and Sandero), Mechanical, 13A,
Fuel supply, Injector rail - Injectors: Removal - Refitting, MR 451 (Duster) or MR 423 (Thalia 2/Symbol 2),
MR 430 (Clio II F 6), MR 374 (Kangoo VLL), Mechanical, 17B, Petrol injection, Injector rail - Injectors:
Removal - Refitting),
– Check the fuel filter (to detect possible clogging) (see MR 388 (Logan and Sandero), MR 451 (Duster), MR 423
(Thalia 2/Symbol 2), MR 430 (Clio II F 6) or MR 374 (Kangoo VLL), Mechanical, 13A, Fuel supply, Fuel filter:
Removal - Refitting),
– Check the pressure regulator,
– Check the fuel pump flow (see MR 388 (Logan and Sandero), Mechanical, 13A, Fuel supply, Fuel flow:
Removal - Refitting, MR 451 (Duster) or MR 423 (Thalia 2/Symbol 2), MR 430 (Clio II F 6), MR 374 (Kangoo
VLL), Mechanical, 13A, Fuel supply, Fuel flow: Check),
– Check the injector flow (see MR 388 (Logan and Sandero), Mechanical, 13A, Fuel supply, Injector rail -
Injectors: Removal - Refitting, MR 451 (Duster) or MR 423 (Thalia 2/Symbol 2), MR 430 (Clio II F 6), MR 374
(Kangoo VLL), Mechanical, 17B, Petrol injection, Injector rail - Injectors: Removal - Refitting).
17B-91V2 MR-376-X76-17B050$082.mif
PETROL INJECTION
Fault finding – Interpretation of faults17B
V42 Injection
Program No.: 2A
Vdiag No.: 04, 05, 06,
14, 16, 18
AFTER REPAIRFollow the instructions to confirm repair.
Deal with any other faults.
Clear the stored faults.
DF398
CONTINUED 2
If the value of PR139 > 1 then:
– Check the pressure regulator,
– Check the connections on the inlet manifold (see MR 388 or 451, Mechanical, 12A, Fuel mixture, Air inlet:
Description),
– Check for possible petrol leaks (see ALP4 Fuel leak),
– Check for possible air leaks,
– Check the sealing of the injectors (see MR 388 (Logan and Sandero), Mechanical, 13A, Fuel supply, Injector
rail - Injectors: Removal - Refitting, MR 451 (Duster) or MR 423 (Thalia 2/Symbol 2), MR 430 (Clio II F 6),
MR 374 (Kangoo VLL), Mechanical, 17B, Petrol injection, Injector rail - Injectors: Removal - Refitting),
– Check the seal between the inlet manifold and the solenoid valve unit.
If the fault is still present, contact the Techline.
17B-92
AFTER REPAIRFollow the instructions to confirm repair.
Deal with any other faults.
Clear the stored faults.
V2 MR-376-X76-17B050$083.mif
17B
V42 Injection
Program No.: 2A
Vdiag No.: 04, 05, 06,
14, 16, 18
DF409
PRESENT OR
STOREDFUEL LEVEL SENSOR CIRCUIT1.DEF: Voltage too low
2.DEF: Voltage too high
NOTESSpecial notes:
OBD warning light comes on.
See the Wiring Diagrams Technical Note for Logan, Sandero, Duster, Thalia 2/
Symbol 2, Clio II F 6, Kangoo VLL.
Check the cleanliness and condition of the injection computer connector, component code 120 and of the
instrument panel connector, component code 247.
If the connector or connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing
electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.
Check the insulation, continuity and the absence of interference resistance on the following connections:
–47H between components 120 and 247,
–3NX between components 120 and 247,
–137C between components 120 and 247,
–31A between components 120 and 247.
If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical
wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.
If the fault is still present, contact the Techline.
V42_V04_DF409/V42_V05_DF409/V42_V06_DF409/V42_V14_DF409/V42_V16_DF409/V42_V18_DF409
PETROL INJECTION
Fault finding – Interpretation of faults
17B-93
AFTER REPAIRFollow the instructions to confirm repair.
Deal with any other faults.
Clear the stored faults.
V2 MR-376-X76-17B050$083.mif
PETROL INJECTION
Fault finding – Interpretation of faults17B
V42 Injection
Program No.: 2A
Vdiag No.: 18
DF436
PRESENT OR
STOREDDETECTION OF ENGINE MISFIRING1.DEF: Polluting misfiring.
2.DEF: Destructive misfiring.
NOTESPriority when dealing with a number of faults:
– DF109 Low fuel level misfire,
– DF635 LPG cylinder 1 combustion misfire,
– DF636 LPG cylinder 2 combustion misfire,
– DF637 LPG cylinder 3 combustion misfire
– DF638 LPG cylinder 4 combustion misfire.
Conditions for applying the fault finding procedure to stored faults:
The fault is considered present under the following conditions:
– engine running at idling speed.
Special note:
OBD warning light comes on.
1.DEF
NOTESNone.
Check the ignition coil circuits (see MR 388, Mechanical, 17A, Ignition, Ignition: Specifications),
Check the fuel supply circuit (see MR 388 (Logan and Sandero), MR 451 (Duster), MR 423 (Thalia 2/Symbol
2), MR 430 (Clio II F 6) or MR 374 (Kangoo VLL), Mechanical, 13A, Fuel supply, Fuel circuit: Operating
diagram),
Check the fuel supply pump circuit (see MR 388 (Logan and Sandero), MR 451 (Duster), MR 423 (Thalia 2/
Symbol 2), MR 430 (Clio II F 6) or MR 374 (Kangoo VLL), Mechanical, 13A, Fuel supply, Fuel circuit:
Operating diagram),
Check the condition of the cylinder injectors (see MR 388 (Logan and Sandero), Mechanical, 13A, Fuel supply,
Injector rail - Injectors: Removal - Refitting, MR 451 (Duster) or MR 423 (Thalia 2/Symbol 2), MR 430 (Clio II
F 6), MR 374 (Kangoo VLL), Mechanical, 17B, Petrol injection, Injector rail - Injectors: Removal - Refitting),
Check the cylinder compressions.
V42_V18_DF436
17B-95
AFTER REPAIRDeal with any faults displayed by the diagnostic tool.
Clear the computer fault memory.
Carry out a road test followed by another check with the diagnostic tool.
V2 MR-376-X76-17B050$083.mif
PETROL INJECTION
Fault finding – Interpretation of faults17B
V42 Injection
Program No.: 2A
Vdiag No.: 18
DF436
CONTINUED 2
2.DEFNOTESNone.
Check the ignition coil circuits (see MR 388, Mechanical, 17A, Ignition, Ignition: Specifications),
Check the fuel supply circuit (see MR 388 (Logan and Sandero), MR 451 (Duster), MR 423 (Thalia 2/Symbol
2), MR 430 (Clio II F 6) or MR 374 (Kangoo VLL), Mechanical, 13A, Fuel supply, Fuel circuit: Operating
diagram),
Check the fuel supply pump circuit (see MR 388 (Logan and Sandero), MR 451 (Duster), MR 423 (Thalia 2/
Symbol 2), MR 430 (Clio II F 6) or MR 374 (Kangoo VLL), Mechanical, 13A, Fuel supply, Fuel circuit:
Operating diagram),
Check the condition of the cylinder injectors (see MR 388 (Logan and Sandero), Mechanical, 13A, Fuel supply,
Injector rail - Injectors: Removal - Refitting, MR 451 (Duster) or MR 423 (Thalia 2/Symbol 2), MR 430 (Clio II
F 6), MR 374 (Kangoo VLL), Mechanical, 17B, Petrol injection, Injector rail - Injectors: Removal - Refitting),
Check the cylinder compressions.
17B-103
AFTER REPAIRDeal with any faults displayed by the diagnostic tool.
Clear the computer fault memory.
Carry out a road test followed by another check with the diagnostic tool.
V2 MR-376-X76-17B050$083.mif
PETROL INJECTION
Fault finding – Interpretation of faults17B
V42 Injection
Program No.: 2A
Vdiag No.: 18
DF633
PRESENT OR
STOREDLPG FUEL CIRCUIT OPERATING FAULT
DEF: Component in poor condition
NOTESPriorities when dealing with a combination of faults:
First deal with:
– DF398 – "Fuel system functional failure"
Conditions for application to a stored fault:
The fault is declared present with the engine running at an engine speed of 2500 rpm
for 10 seconds.
Special note:
OBD warning light comes on.
Check the value of parameter PR139 Operating richness adaptive.
If the value of PR139 < 1 then:
Check the sealing of the fuel supply system from the fuel pump to the injector rail:
– The fuel tank (see MR 388 (Logan and Sandero), MR 451 (Duster), MR 423 (Thalia 2/Symbol 2), MR 430
(Clio II F 6), Mechanical, 19C, Tank, Fuel tank: Removal - Refitting)
– The connection between the fuel pump and the fuel filter (see MR 388 (Logan and Sandero) Mechanical, 19C,
Tank, Fuel supply pipe: Removal - Refitting, MR 451 (Duster), MR 423 (Thalia 2/Symbol 2), MR 430 (Clio
II F 6), Mechanical, 19C, Tank, Fuel tank: Removal - Refitting)
– The connection between the fuel filter and the regulator (see MR 388 (Logan and Sandero), MR 451 (Duster),
MR 423 (Thalia 2/Symbol 2), MR 430 (Clio II F 6), Mechanical, 13A, Fuel supply, Fuel filter: Removal -
Refitting)
– The pressure regulator ducts (see MR 388 (Logan and Sandero), Mechanical, 19C, Tank, Fuel supply pipe:
Removal - Refitting, MR 451 (Duster), MR 423 (Thalia 2/Symbol 2), MR 430 (Clio II F 6), Mechanical, 19C,
Tank, Fuel tank: Removal - Refitting)
– The connection between the regulator and the injector rail (see MR 388 (Logan and Sandero), Mechanical,
19C, Tank, Fuel supply pipe: Removal - Refitting, MR 451 (Duster), MR 423 (Thalia 2/Symbol 2), MR 430
(Clio II F 6), Mechanical, 19C, Tank, Fuel tank: Removal - Refitting)
V42_V18_DF633
17B-104
AFTER REPAIRDeal with any faults displayed by the diagnostic tool.
Clear the computer fault memory.
Carry out a road test followed by another check with the diagnostic tool.
V2 MR-376-X76-17B050$083.mif
PETROL INJECTION
Fault finding – Interpretation of faults17B
V42 Injection
Program No.: 2A
Vdiag No.: 18
DF633
CONTINUED
– The fuel ducts between the injector rail and the injectors (see MR 388 (Logan and Sandero)
– Mechanical, 13A, Fuel supply, Injector rail - Injectors: Removal - Refitting, MR 451
(Duster), MR 423 (Thalia 2/Symbol 2), MR 430 (Clio II F 6), Mechanical, 17B, Petrol injection, Injector rail -
Injectors: Removal - Refitting)
– Check the fuel filter (to detect possible clogging) (see MR 388 (Logan and Sandero), MR 451 (Duster), MR 423
(Thalia 2/Symbol 2), MR 430 (Clio II F 6), Mechanical, 13A, Fuel supply, Fuel filter: Removal - Refitting)
– Check the pressure regulator,
– Check the fuel pump flow (see MR 388 (Logan and Sandero), Mechanical, 13A, Fuel supply, Fuel flow:
Removal - Refitting, MR 451 (Duster), MR 423 (Thalia 2/Symbol 2), MR 430 (Clio II F 6), Mechanical, 13A,
Fuel supply, Fuel flow: Check)
– Check the injector flow (see MR 388 (Logan and Sandero), Mechanical, 13A, Fuel supply, Injector rail -
Injectors: Removal - Refitting, MR 451 (Duster), MR 423 (Thalia 2/Symbol 2), MR 430 (Clio II F 6),
Mechanical, 17B, Petrol injection, Injector rail - Injectors: Removal - Refitting).
If the value of PR139 > 1 then:
– Check the pressure regulator,
– Check the inlet manifold connections (see MR 388 (Logan and Sandero), MR 451 (Duster), MR 430 (Clio II F
6), Mechanical, 12A, Fuel mixture, Air inlet: Description)
– Check for possible petrol leaks (see ALP4 Fuel leak),
– Check for possible air leaks,
– Check the sealing of the injectors (see MR 388 (Logan and Sandero), Mechanical, 13A, Fuel supply, Injector
rail - Injectors: Removal - Refitting, MR 451 (Duster), MR 423 (Thalia 2/Symbol 2), MR 430 (Clio II F 6),
Mechanical, 17B, Petrol injection, Injector rail - Injectors: Removal - Refitting)
– Check the seal between the inlet manifold and the solenoid valve unit.
If the fault is still present, contact the Techline.
17B-105
AFTER REPAIRDeal with any faults displayed by the diagnostic tool.
Clear the computer fault memory.
Carry out a road test followed by another check with the diagnostic tool.
V2 MR-376-X76-17B050$083.mif
PETROL INJECTION
Fault finding – Interpretation of faults17B
V42 Injection
Program No.: 2A
Vdiag No.: 18
DF635
PRESENT OR
STOREDLPG CYLINDER 1 COMBUSTION MISFIRE1.DEF: Polluting misfiring.
2.DEF: Destructive misfiring.
NOTESPriority when dealing with a number of faults:
– DF109 Low fuel level misfire.
Conditions for applying the fault finding procedure to stored faults:
The fault is considered present under the following conditions:
– engine running at idling speed.
Special note:
OBD warning light comes on.
1.DEF
NOTESNone.
Check the ignition coil circuit (see MR 388, Mechanical, 17A, Ignition, Ignition: Specifications),
Check the fuel supply circuit (see MR 388 (Logan and Sandero), MR 451 (Duster) or MR 423 (Thalia 2/Symbol
2), Mechanical, 13A, Fuel supply, Fuel circuit: Operating diagram),
Check the fuel supply pump circuit (see MR 388 (Logan and Sandero), MR 451 (Duster) or MR 423 (Thalia 2/
Symbol 2), Mechanical, 13A, Fuel supply, Fuel circuit: Operating diagram),
Check the condition of the cylinder 1 injector (see MR 388 (Logan and Sandero), Mechanical, 13A, Fuel supply,
Injector rail - Injectors: Removal - Refitting, MR 451 (Duster) or MR 423 (Thalia 2/Symbol 2), Mechanical, 17B,
Petrol injection, Injector rail - Injectors: Removal - Refitting),
Check the compression of cylinder 1.
V42_V18_DF635