Operation CHARM
: Car repair manuals for everyone.
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Buick
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1998
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Regal V6-3.8L SC VIN 1
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Repair and Diagnosis
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Maintenance
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Tune-up and Engine Performance Checks
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Idle Speed
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Adjustments
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Controlled Idle Speed
Controlled Idle Speed
The Controlled
Idle Speed
is maintained by the Powertrain Control Module
(PCM)
and is not adjustable. If Controlled Idle Speed is incorrect, begin diagnosis at
Powertrain Management / System Diagnosis / Flow of Diagnosis
.