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2001
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Impala Police
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Engine Performance
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Engine Adjustments
Engine Adjustments
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Engine Mechanical
Valve Clearance
Ignition Timing
Idle Speed & Mixture
Notes
Idle Speed (4-Cylinder)
1.9L (SC1, SC2, SL, SL1, SL2 & SW2)
2.2L (L100, L200 & LW200)
2.2L (Cavalier & Sunfire) & 2.4L (Alero, Cavalier, Grand Am & Sunfire)
Idle Speed (V6)
3.0L (Catera)
3.1L (Century)
3.1L (Lumina, Malibu & Grand Prix), 3.4L (Alero & Grand Am) & 3.8L (Bonneville, LeSabre & Park Avenue)
3.4L (Impala & Monte Carlo) & 3.8L (Grand Prix, Impala, Monte Carlo & Regal)
3.5L (Aurora & Intrigue)
Idle Speed (V8)
Notes
4.0L (Aurora) & 4.6L (DeVille, Eldorado & Seville)
5.7L (Camaro, Corvette & Firebird - Automatic Transmission)
5.7L (Camaro, Corvette & Firebird - Manual Transmission)
Throttle Position Sensor
Notes
Throttle Position Sensor Learn (4.6L)