940 L4-2.3L SOHC VIN 88 B230F (1992)
Throttle Plate - PFI: Adjustments
THROTTLE PLATE ADJUSTMENT
Checking Throttle Body
Preparations
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Remove the Throttle Body (TB).
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Remove the Throttle Position (TP) Switch from the TB.
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Clean the TB and the throttle disc.
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Loosen the adjustment screw so that the throttle closes completely.
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Loosen the throttle disc screws so that disc is loose. Check that the throttle disc is facing in the right direction.
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Continue with Adjusting the throttle disc.
Adjusting the Throttle Disc
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Hold the TB with the throttle horizontal. Open and close the throttle using the throttle lever several times so that the throttle disc is centered in the
throttle opening (open about 1/3 each time).
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Hold the TB to the light.
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Turn the disc with your fingers so that the opening becomes as small as possible.
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Continue with Adjusting the Throttle Spindle.
Adjusting the Throttle Spindle
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Check that the throttle spindle will move back and forwards with a light pressure.
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Adjust the throttle spindle so that it protrudes a maximum of 22.5 mm as shown in the illustration.
NOTE: The indicated maximum measurement, 22.5 mm, may not be exceeded. Otherwise there is a risk that the throttle spindle will hit the TP
switch.
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Tighten the throttle disc fixing screws to 0.6 ± 0.1 Nm (0.44 ± 0.1 ft lb).
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Screw in the adjustment screw until it touches the link rod.
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Screw it in a further complete turn.
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Tighten the lock nut holding the adjustment screw to 0.6 ± 0.1 Nm (0.44 ± 0.1 ft lb).
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Continue with Installation.
