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Ford
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1991
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Bronco 4.9 Y, Standard, M5OD-R2
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Repair and Diagnosis
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Engine Performance
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Specifications
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Engine Controls - Specifications - V8
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Fuel System
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Idle Speed & Mixture
Idle Speed & Mixture
NOTE:
No idle mixture adjustments are possible. If engine performance is unsatisfactory, see G - TESTS W/ CODES article in this section.