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1986
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Somerset Custom, 2.5 U
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Adjustment
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Tune-Up - V6
Tune-Up - V6
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Identification
Vehicle Identification Number Code
Tune-Up Notes
Testing
Engine Compression
Spark Plugs
High Tension Wire Resistance
Emission Control Systems
Ignition System
Distributor
Ignition Coil Resistance (Ohms)
Adjustments
Valve Clearance
Valve Arrangement
2.8L
3.0L, 3.8L & 4.3L
Distributor
Ignition Timing
Hot (Slow) Idle Rpm
Notes
Idle Air Control Valve - MFI, SFI & TBI
Idle Speed Solenoid - 2.8L (VIN X)
Idle Speed Control Motor - 3.8L (VIN A)
Throttle Position Sensor
Idle Mixture Adjustment
Notes
Mixture Screw Plug Removal
Mixture Control Adjustment - E2SE Carburetor
Mixture Control Adjustment - E2ME Carburetor
Cold (Fast) Idle Rpm
2.8L 2-Bbl.
3.8L 2-Bbl.
Automatic Choke
Fuel Pump
Specifications
Fuel System
Electrical System
Starter
Alternator
Alternator Regulator
Service Intervals
Belt Adjustment
Capacities