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· Throttle valve potentiometer voltage
greater than 4.9 V
(short circuit to voltage or
circuit interruption)
· Condition must be fulfilled for at least
0.2 s
Replacement values:
· Trouble codes 73 and 74 not recognized:
The control unit calculates using a throttle valve angle
calculated internally from the engine speed and air mass
· Trouble code 73 or 74 recognized:
The control unit calculates
with a throttle valve angle of 4.2'
Effects:
· Controlled canister purge valve
regulation is blocked
· The controlled canister purge valve is
actuated at a minimum value
· All adaptation is blocked
If trouble code 73 or 74 was
recognized:
· Oxygen sensor regulation is blocked
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