5000S Wagon L5-2309cc 2.3L SOHC (NF) (1988)
Mixture Calibration Potentiometer: Adjustments
Check this first:
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remove fuse 13
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remove intake hose for warm air on the preheater control unit (arrows)
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remove preheater control unit with intake hose for cold air
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remove intake air boot
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remove fuel line from fuel filter to fuel distributor at fuel filter
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remove air duct to oil cooler
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remove lower air filter
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remove harness connector 3 from differential pressure regulator
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disconnect upper air filter housing fastener 1 from above
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push mixture control assembly toward engine and raise to allow access to the potentiometer trim screw
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carefully remove sealing compound from potentiometer trim screw (arrow)