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Trouble Code
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Information Sensor Cause of Fault
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Remedy in F0:DATA LIST No.
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Trouble Code Storage when...
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45
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RICH EXHAUST
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27, 28, 29, 30, 31, 32, 33
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· Engine
running for at least 40 s
· Following
trouble codes not stored: 21, 22, 33, 34
· Oxygen sensor
loop closed
· Integrator
value not equal to 128 steps (not reset condition)
· Coolant
temperature higher than 75 °C/167 °F
· Throttle valve
opening greater than 0 %
· The fault is
recognised by the control unit if the oxygen sensor voltage is higher than
743 mV for longer than 17 s.
Replacement value:
· 450 mV
Effects:
· Oxygen
sensor regulation is switched off, i.e. open oxygen sensor loop
Note:
Oxygen sensor must not be wrapped in aluminium foil. Remove
foil.
Then erase trouble code. If trouble code 45 is set again, start
trouble- shooting according to F0:Data List no. 27.
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