Specifications

17B-167
AFTER REPAIR Carry out a road test, then check with the diagnostic tool.
V1
MR-453-X79-17B050$160.mif
PETROL INJECTION
Fault finding – Fault Finding Chart
17B
V42 Injection
Program No.: 2A
Vdiag No.: 04, 06
ALP 22 Idling speed too high or too low
Check the alternator charge signal module by running TEST 2 Alternator signal module check.
Check the accelerator pedal potentiometer by running TEST 8 Accelerator pedal potentiometer check.
Check the air filter unit.
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 coolant temperature sensor by running TEST 15 Coolant temperature sensor check.
Check the spark plugs.
Check the injector rail.
Check the inlet manifold.
Check the additional petrol circuit pump by running TEST 12 Additional fuel tank pump 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 cylinder head.
Check the camshaft.
Check the valves.
Check the timing.
Check the injection computer.
If the fault is still present, contact the Techline.
V42_V04_ALP22 / V42_V06_ALP22