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Diagnostic Procedure
NHEC0080
1 INSPECTION START
Which malfunction A, B or C is duplicated?
MTBL0066
TypeA,BorC
TypeAorB © GO TO 4.
Type C © GO TO 2.
2 ADJUST THROTTLE POSITION SENSOR
Check the following items. Refer to “Basic Inspection”, EC-109.
MTBL0595
© GO TO 3.
3 CHECK INTAKE SYSTEM.
1. Turn ignition switch “OFF”.
2. Check the following for connection.
I Air duct
I Vacuum hoses
I Intake air passage between air duct to intake manifold collector
OK or NG
OK © GO TO 4.
NG © Reconnect the parts.
4 RETIGHTEN GROUND SCREWS
1. Turn ignition switch “OFF”.
2. Loosen and retighten engine ground screws.
SEF255X
© GO TO 5.
DTC P0120 THROTTLE POSITION SENSOR
Diagnostic Procedure
EC-182
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