How do you test the voltage for the TPC and make any adjustment?

What is your question?

engine idles faster then normal. service engine code 22.

What makes this problem better or worse?

nothing.

How long has your 1993 Buick Century had this problem?

3-weeks

Visitor

in Grand Rapids MI

Jun 5, 2020

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What are the best Buick repair shops?

RepairPal Certified shops can diagnose and repair your 1993 Buick Century. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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