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Buick Workshop Service and Repair Manuals

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Thermal Vacuum Valve, EGR|Description and Operation > < Engine Controls - Revised Diagnostics Code 53, EGR

Electra V6-181 3.0L (1985)

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DRIVEABILITY AND EMISSIONS - CARBURETED

The chart on the reverse side updates the EGR Vacuum Control Diagnostic Chart for Code 53 on Page 6E1-85 of the 1985 Buick Chassis Service
Manual. Please make a note of this change in your copy of the service manual.

Thermal Vacuum Valve, EGR|Description and Operation > < Engine Controls - Revised Diagnostics Code 53, EGR