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Home >> Chevrolet >> 1989 >> G 10 Van V8-350 5.7L >> Repair and Diagnosis >> Powertrain Management >> Tune-up and Engine Performance Checks >> Idle Speed >> Specifications >> Minimum Idle Air Rate >> Over 8500 GVW, Minimum Idle Air Rate

Over 8500 GVW, Minimum Idle Air Rate

Over 8500 GVW, Minimum Idle Air Rate
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Engine Speed
Note: Let engine idle until proper fuel control status is closed loop.
Manual Transmission Neutral 550 +/- 25
Auto Transmission Drive 450 +/- 25