Page 7 of 279
17B-7V2 MR-376-X76-17B050$040.mif
17B
V42 Injection
Program No.: 2A
Vdiag No.: 04, 05, 06,
14, 16, 18
For flex-fuel engines
1. Air filter
2. Motorised throttle valve
3. Injection air temperature sensor
4. Manifold pressure
5. Injectors
6. Ignition coils
7. Injection coolant temperature sensor
8. Pinking sensor
9. TDC sensor
10. Upstream oxygen sensors
11. Downstream oxygen sensors
12. Injection computer
13. Auxiliary cold starting system
14. Auxiliary fuel tank
15. Auxiliary fuel
16. Petrol/alcohol tank
17. Petrol pump
18. Bleed valve
PETROL INJECTION
Fault finding – Operating diagram
Page 8 of 279
17B-8V2 MR-376-X76-17B050$040.mif
PETROL INJECTION
Fault finding – Operating diagram17B
V42 Injection
Program No.: 2A
Vdiag No.: 04, 05, 06,
14, 16, 18
For petrol and bio-petrol engines
1. Air filter
2. Motorised throttle valve
3. Injection air temperature sensor
4. Manifold pressure
5. Injectors
6. Ignition coils
7. Injection coolant temperature sensor
8. Pinking sensor
9. TDC sensor
10. Upstream oxygen sensors
11. Downstream oxygen sensors
12. Injection computer
13. Petrol tank
14. Petrol pump
15. Bleed valve
Page 221 of 279
17B-221
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
V2 MR-376-X76-17B050$160.mif
PETROL INJECTION
Fault finding – Fault Finding Chart17B
V42 Injection
Program No.: 2A
Vdiag No.: 04, 05, 06,
14, 16, 18
ALP 2 General appearance of engine compartment
Check the fan assembly
Check the air filter unit.
Check the inlet manifold air pressure sensor by running TEST 7 Air inlet pressure sensor check.
Check the air pipes.
Check the coolant temperature sensor by running TEST 15 Coolant temperature sensor check.
Check the injector rail.
Check the inlet manifold.
Check the oil filter.
Check the catalytic converter.
Check the exhaust manifold.
Check the accessories belt.
Check the dipstick.
If the fault is still present, contact the techline.
V42_V04_ALP2/V42_V05_ALP2/V42_V06_ALP2/V42_V14_ALP2/V42_V16_ALP2/V42_V18_ALP2
Page 224 of 279
17B-224
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
V2 MR-376-X76-17B050$160.mif
PETROL INJECTION
Fault finding – Fault Finding Chart17B
V42 Injection
Program No.: 2A
Vdiag No.: 04, 05, 06,
14, 16, 18
ALP 5 Engine oil leak
Check the air filter unit.
Check the oil filler cap.
Check the air pipes.
Check the inlet manifold.
Check the oil filter.
Check the oil circuit.
Check the oil pump.
Check the cylinder head.
Check the camshaft.
Check the rotating parts.
Check the dipstick.
If the fault is still present, contact the techline.
V42_V04_ALP5/V42_V05_ALP5/V42_V06_ALP5/V42_V14_ALP5/V42_V16_ALP5/V42_V18_ALP5
Page 231 of 279
17B-231
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
V2 MR-376-X76-17B050$160.mif
PETROL INJECTION
Fault finding – Fault Finding Chart17B
V42 Injection
Program No.: 2A
Vdiag No.: 04, 05, 06,
14, 16, 18
ALP 12 Blue smoke from the exhaust
Check the oil.
Check the coolant temperature sensor by running TEST 15 Coolant temperature sensor check.
Check the spark plugs.
Check the ignition coil by running TEST 14 Checking the ignition coil.
Check the injectors by running TEST 13 Checking the injectors.
Check the oil filter.
Check the oil circuit.
Check the exhaust manifold.
Check the oil pump.
Check the pistons and piston rings.
Check the cylinder head.
Check the inlet and exhaust valves.
Check the rotating parts.
If the fault is still present, contact the techline.
V42_V04_ALP12/V42_V05_ALP12/V42_V06_ALP12/V42_V14_ALP12/V42_V16_ALP12/V42_V18_ALP12
Page 234 of 279
17B-234
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
V2 MR-376-X76-17B050$160.mif
PETROL INJECTION
Fault finding – Fault Finding Chart17B
V42 Injection
Program No.: 2A
Vdiag No.: 04, 05, 06,
14, 16, 18
ALP 15 Excessive oil consumption
Check the engine cooling fan assembly.
Check the oil circuit.
Check the oil filter.
Check the pistons and piston rings.
Check the cylinder head.
Check the valves.
Check the rotating parts.
Check the dipstick.
If the fault is still present, contact the techline.
V42_V04_ALP15/V42_V05_ALP15/V42_V06_ALP15/V42_V14_ALP15/V42_V16_ALP15/V42_V18_ALP15
Page 235 of 279

17B-235
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
V2 MR-376-X76-17B050$160.mif
PETROL INJECTION
Fault finding – Fault Finding Chart17B
V42 Injection
Program No.: 2A
Vdiag No.: 04, 05, 06,
14, 16, 18
ALP 16 Impossible to start the engine
Check the fuel pump relay by running TEST 1 Petrol supply pump relay check.
Check the air filter unit.
Check the oil.
Check the air pipes.
Check the additional fuel circuit solenoid valve by running TEST 5 Checking the additional fuel tank.
Check the spark plugs.
Check the injector rail.
Check the additional petrol circuit pump by running TEST 12 Additional fuel tank pump check.
Check the TDC sensor by running TEST 10 TDC sensor check.
Check the coolant pump.
Check the cylinder head.
Check the camshaft.
Check the valves.
Check the timing.
Check the rotating parts.
Check the accessories belt.
Check the supply relay and the injection computer.
If the fault is still present, contact the techline.
V42_V04_ALP16/V42_V05_ALP16/V42_V06_ALP16/V42_V14_ALP16/V42_V16_ALP16/V42_V18_ALP16
Page 236 of 279

17B-236
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
V2 MR-376-X76-17B050$160.mif
PETROL INJECTION
Fault finding – Fault Finding Chart17B
V42 Injection
Program No.: 2A
Vdiag No.: 04, 05, 06,
14, 16, 18
ALP 17 Engine stalls when cold
Check the air filter unit.
Check the oil.
Check the inlet manifold air pressure sensor by running TEST 7 Air inlet pressure sensor check.
Check the air pipes.
Check the additional fuel circuit solenoid valve by running TEST 5 Checking the additional fuel tank.
Check the coolant temperature sensor by running TEST 15 Coolant temperature sensor check.
Check the injector rail.
Check the injectors by running TEST 13 Injector check.
Check the additional petrol circuit pump by running TEST 12 Additional fuel tank pump check.
Check the TDC sensor by running TEST 10 TDC sensor check.
Check the upstream oxygen sensor by running TEST 17 Upstream O2 sensor check.
Check the camshaft.
Check the valves.
Check the timing.
Check the injection computer.
If the fault is still present, contact the techline.
V42_V04_ALP17/V42_V05_ALP17/V42_V06_ALP17/V42_V14_ALP17/V42_V16_ALP17/V42_V18_ALP17