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1990
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Caprice Base, 5.7 7
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Engine Controls - Adjustments - V8
Engine Controls - Adjustments - V8
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Introduction
Engine Compression
Valve Clearance
Ignition Timing
Notes
4.5L (VIN 3)
5.0L (VIN Y)
5.0L (VIN E & F) & 5.7L (VIN 7 & 8)
Idle Speed & Mixture
Notes
Cold (Fast) Idle Rpm (CARBURETED)
5.0L (VIN Y)
V8 Idle Speed (CARBURETED)
Notes
Idle Speed With Idle Load COMPENSATOR (ILC)
V8 Idle Speed (Fuel Injected)
Minimum Idle (DEVILLE & FLEETWOOD)
Minimum Idle (ELDORADO & SEVILLE)
Maximum ISC Extension (DEVILLE & FLEETWOOD)
Maximum ISC Extension (ELDORADO & SEVILLE)
5.0L (VIN E & F) & 5.7L (VIN 7 & 8)
Idle Mixture
Notes
5.0L (VIN Y)
Throttle Position Sensor (TPS)
Notes
Throttle Position Sensor (TPS) - 5.0L (CARBURETED)
Throttle Position Sensor (TPS) - 4.5L (DEVILLE & FLEETWOOD)
Throttle Position Sensor (TPS) - 4.5L (ELDORADO & SEVILLE)
Throttle Position Sensor (TPS) - 5.0L & 5.7L (VIN E, F, 7 & 8)