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
SENSOR CONDITION CHECK
Upstream oxygen sensor
Check for the presence of any oil or oxidation on the sensitive element or impact to the sensor casing.
Go to Step 3
Sensor fouled or contaminated
Clean the oxygen sensor
3
UPSTREAM OXYGEN SENSOR FITTING CHECK
Check the correct fitting of the oxygen sensor
Go to Step 4
Oxygen sensor not correctly installed
Restore the correct fitting of the upstream oxygen sensor
4
UPSTREAM OXYGEN SENSOR OPERATION CHECK
Check that the oxygen sensor is working correctly
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