ABOVE THRESHOLD
Test results
1
CHECK ON SEEPAGE IN INTAKE MANIFOLD
All OK
Problems encountered
Operation
Check for any seepage in the intake manifold
Go to Step 2
Seepage inside the intake manifold.
Restore correct operation
2
THROTTLE BODY CONDITION CHECK
Check the condition of the throttle body (fouling, obstructions of the plate)
Go to Step 3
Throttle body fouled
Restore the correct operation of the throttle body
3
THROTTLE BODY OPERATION CHECK
Check that the throttle body is working properly by carrying out the
See Test 1056BW Check on the throttle body actuator operation
Go to Step 4
Throttle body not working properly.
Replace the throttle body
Op. 1056B14 THROTTLE BODY - R + R
4
ENGINE MANAGEMENT CONTROL UNIT OPERATION CHECK
Check that the engine management control unit is working properly.
End of diagnosis
Engine management control unit faulty.
Replace the engine management control unit
Op. 1056B82 INJECTION/IGNITION SYSTEM E.C.U. (ONE) - R + R
BELOW THRESHOLD