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Engine Control System - On-Vehicle Adjustments
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Engine Control System - On-Vehicle Adjustments
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Engine Mechanical
Notes
Valve Clearance
Ignition Timing
Idle Speed & Mixture
Notes
Idle Speed (4-Cylinder)
1.8L (Vibe)
2.2L (L200 & LW200)
2.2L (Alero, Cavalier, Grand Am, Ion & Sunfire), & 2.4L (Cavalier & Sunfire)
Idle Speed (V6)
3.0L (L300 & LW300)
3.1L (Century, Malibu & Grand Prix), 3.4L (Alero & Grand Am) & 3.8L (Bonneville, LeSabre & Park Avenue)
3.2L (Cts)
3.4L (Impala & Monte Carlo) & 3.8L (Grand Prix, Impala, Monte Carlo & Regal)
Idle Speed (V8)
4.0L (Aurora) & 4.6L (DeVille & Seville)
5.7L (Corvette)
Throttle Position Sensor
Notes
Throttle Position Sensor Learn Procedure (4.6L - Deville & Seville)