145 - MiTo   1.4 16v TJet   Multiplicative adaptation correction of lambda control - Circuit voltage below threshold   P1172-16   


 

 

 

 

Test results

 

1

 

COMPONENT CONCERNED

 

CHECK ON SEEPAGE IN EXHAUST MANIFOLD

 

OK (NO FAULTS DETECTED)

 

FAULT DETECTED

 

OPERATION

 

 

Exhaust manifold

 

Check for the presence of any seepage in the exhaust manifold.

 

Go to Step 2

 

Seepage inside the exhaust manifold.

 

Restore correct operation

 

2

 

COMPONENT CONCERNED

 

LPG PRESSURE REGULATOR OPERATION CHECK

 

OK (NO FAULTS DETECTED)

 

FAULT DETECTED

 

OPERATION

 

 

LPG pressure regulator

 

Check that the LPG pressure regulator is working properly

 

Go to Step 3

 

LPG pressure regulator not working properly

 

Replace the LPG pressure regulator

 Op. 1043B40 PRESSURE REGULATOR FOR LPG SUPPLY - R.R.

 

3

 

COMPONENT CONCERNED

 

PRESSURE SENSOR CHECK

 

OK (NO FAULTS DETECTED)

 

FAULT DETECTED

 

OPERATION

 

 

Intake pressure sensor

 

Check the correct operation of the intake pressure sensor

 

Go to Step 4

 

Pressure sensor not working properly.

 

Replace the pressure sensor

 Op. 1056B44 AIR PRESSURE SENSOR - R + R

 

4

 

COMPONENT CONCERNED

 

ENGINE TIMING CHECK

 

OK (NO FAULTS DETECTED)

 

FAULT DETECTED

 

OPERATION

 

 

Engine timing

 

Check that the engine timing is correct

 

Go to Step 5

 

Timing not correct

 

Restore the correct timing

 

5

 

COMPONENT CONCERNED

 

OXYGEN SENSOR FITTING CHECK

 

OK (NO FAULTS DETECTED)

 

FAULT DETECTED

 

OPERATION

 

 

Oxygen sensor

 

Check the correct fitting of the oxygen sensor

 

Go to Step 6

 

Oxygen sensor not fitted properly

 

Restore the correct fitting of the oxygen sensor

 

6

 

COMPONENT CONCERNED

 

SENSOR CONDITION CHECK

 

OK (NO FAULTS DETECTED)

 

FAULT DETECTED

 

OPERATION

 

 

Oxygen sensor

 

Check for the presence of any oil or oxidation on the sensitive element or impact to the sensor casing.

 

Go to Step 7

 

Sensor fouled or contaminated.

 

Clean the oxygen sensor

 

7

 

COMPONENT CONCERNED

 

OXYGEN SENSOR OPERATION CHECK

 

OK (NO FAULTS DETECTED)

 

FAULT DETECTED

 

OPERATION

 

 

Upstream oxygen sensor

 

Check that the upstream oxygen sensor is working properly

 See Test 1080BA Check on the operation of the upstream Lambda sensor

 

End of diagnosis

 

Oxygen sensor not working properly.

 

Replace the upstream oxygen sensor

 Op. 1080B94 FRONT LAMBDA SENSOR TO WITH CATALYTIC CONVERTER - R.R