Page 233 of 279
17B-233
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 14 Excessive coolant consumption
Check the engine cooling fan assembly.
Check the coolant pump.
Check the cylinder head.
Check the cooling system.
If the fault is still present, contact the techline.
V42_V04_ALP14/V42_V05_ALP14/V42_V06_ALP14/V42_V14_ALP14/V42_V16_ALP14/V42_V18_ALP14
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
Page 237 of 279

17B-237
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 18 The engine starts with difficulty.
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 throttle valve by running TEST 3 Throttle valve check.
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 spark plugs.
Check the injector rail.
Check the ignition coil by running TEST 14 Checking the ignition coil.
Check the injectors by running TEST 13 Checking the injectors.
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 oil pump.
Check the cylinder head.
Check the camshaft.
Check the valves.
Check the timing.
Check the cooling system.
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_ALP18/V42_V05_ALP18/V42_V06_ALP18/V42_V14_ALP18/V42_V16_ALP18/V42_V18_ALP18
Page 238 of 279

17B-238
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 19 Lack of power or torque
Check the air filter unit.
Check that the floor carpet is correctly positioned.
Check the engine cooling fan assembly.
Check the accelerator pedal potentiometer by running TEST 8 Accelerator pedal potentiometer check.
Check the air filter unit.
Check the air pressure sensor of the inlet manifold by running TEST 7 Inlet air pressure sensor check.
Check the air pipes.
Check the air inlet temperature sensor by running TEST 6 Checking the air temperature sensor.
Check the throttle valve by running TEST 3 Throttle valve check.
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 inlet manifold.
Check the ignition coil by running TEST 14 Checking the ignition coil.
Check the injectors by running TEST 13 Checking the injectors.
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 pinking sensor by running TEST 11 Pinking sensor check.
Check the oil circuit.
Check the oil filter.
Check the upstream oxygen sensor by running TEST 17 Checking the upstream O2 sensor.
V42_V04_ALP19/V42_V05_ALP19/V42_V06_ALP19/V42_V14_ALP19/V42_V16_ALP19/V42_V18_ALP19
Page 239 of 279
17B-239
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 19
CONTINUED
Check the downstream oxygen sensor by running TEST 18 Checking the downstream O2 sensor.
Check the catalytic converter.
Check the exhaust manifold.
Check the pistons and piston rings.
Check the cylinder head.
Check the camshaft.
Check the valves.
Check the timing.
Check the rotating parts.
Check the injection computer.
If the fault is still present, contact the techline.
Page 240 of 279

17B-240
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 20 Flat spots when accelerating
Check the accelerator pedal potentiometer by running TEST 8 Accelerator pedal potentiometer check.
Check the brake pedal switch by running TEST 9 Brake pedal switch check.
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 air inlet temperature sensor by running TEST 6 Checking the air temperature sensor.
Check the throttle valve by running TEST 3 Throttle valve check.
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 inlet manifold.
Check the ignition coil by running TEST 14 Checking the ignition coil.
Check the injectors by running TEST 13 Checking the injectors.
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 pinking sensor by running TEST 11 Pinking sensor check.
Check the upstream oxygen sensor by running TEST 17 Checking the upstream O2 sensor.
Check the downstream oxygen sensor by running TEST 18 Checking the downstream O2 sensor.
Check the catalytic converter.
Check the camshaft.
Check the valves.
Check the timing.
Check the injection computer.
If the fault is still present, contact the techline.
V42_V04_ALP20/V42_V05_ALP20/V42_V06_ALP20/V42_V14_ALP20/V42_V16_ALP20/V42_V18_ALP20