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1987
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Astro Van Passenger, Standard
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Engine Performance
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Adjustment
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Tune-Up - V6
Tune-Up - V6
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Identification
Engine Identification
Tune-Up Notes
Testing
Engine Compression
Spark Plugs
High Tension Wire Resistance
Adjustments
Valve Arrangement
2.8L
4.3L
Valve Clearance
Distributor
Ignition Timing
Hot (Slow) Idle Rpm
Throttle Position (TPS) Adjustment
Notes
2.8L
TPS Output Voltage Check
Notes
4.3L
Idle Mixture
Cold (Fast) Idle Rpm
Ignition
Ignition Coil
Servicing
Emission Control
Specifications
Fuel Systems
Fuel Pump
Battery
Starter
Alternator
Alternator Regulator
Belt Adjustment
Service Intervals
Capacities