LEMON Manuals
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1997
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Econoline E150, 4.2 2
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - Basic Testing - 4.2L
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Idle Speed & Ignition Timing
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Idle Mixture Adjustment
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Idle Mixture Adjustment
NOTE:
Idle mixture is not adjustable. If idle mixture is incorrect, see
TESTS W/CODES - 4.2L
article.