Buick Workshop Service and Repair Manuals > Skylark V6-173 2.8L VIN X 2-bbl (1984) > Powertrain Management | Relays and Modules - Powertrain Management | Relays and Modules - Ignition System | Electronic Spark Timing <--> [Electronic Spark Control Module] | Component Information | Testing and Inspection

Ignition Control Module > < All Other Service Bulletins for Idle Up Control Relay:|8671253

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Fig. 6a ESC Performance Chart

Powertrain Management
Relays and Modules - Powertrain Management
Relays and Modules - Ignition System
Electronic Spark Timing <--> [Electronic Spark Control Module]
Component Information
Testing and Inspection

Ignition Control Module > < All Other Service Bulletins for Idle Up Control Relay:|8671253