Question about GMC Cars & Trucks
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Posted on Jan 02, 2017
SOURCE: 2006 gmac savana code p0059
On bank2 sensor 1 you have a problem with the internal heater in the O2 sensor. It can be a wiring connector or simply a bad O2 sensor.
The reason this heater is in the circuit is to improve the cold engine performance before the exhaust warms up. The element inside the O2 sensor could have burned out.
Posted on Apr 25, 2012
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