Dacia Solenza 2004, Repair Manual

Page: 144 / 891

IGNITION AND INJECTION
17
17 - 50
DF102
PRESENT
OR
MEMORIZED
Check for leakage on exhaust line.
If the vehicle is mostly driven in town, perform an oxygen sensor cleaning.
Check the
connection and condition
of the oxygen sensor connector .
Replace the connector if necessary.
Connect the 90 ways terminal box instead of the injection computer then check the insulation,
continuity and the absence of the parasite resistance on lines:
Pin 45 injection computer > pin C upstream oxygen sensor
Pin 80 injection computer > pin D upstream sensor
Pin 63 injection computer > pin B upstream sensor
Fix it if necessary.
If the problem is persisting, replace the oxygen sensor.
If the problem is persisting after these checking, treat the other failures then perform the conformity
checking.
Note any other functional failures.
Fix any other possible failures.
AFTER
REPARATION
RECOMMENDATIONS
OXYGEN SENSOR FUNCTIONAL FAILURE
It shows an incoherent information received b means of the upstream
oxygen sensor.
Apply this diagnostic if the failure is present or memorized.
Diagnostic – Failures interpretation
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