What are the best Pontiac repair shops?
RepairPal Certified shops can diagnose and repair your 2001 Pontiac Grand Am. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
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What does a "oxygen sensor heater" not ready mean? The print out said that that the sensor passed?
The heater circuit and the sensor functionality tests are two different tests the test for the heater has not gone through yet