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
