Closed Loop Operation
Hi, I have been trying for the life of me to diagnosis this engine issue. When coming to a stop at a red light, the ecm cycles from closed loop after about 30 seconds at the light to open loop. It will cycle back to closed loop after another 30 seconds. No cod... Login to read more.
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Vehicle Data2012 Chevrolet Silverado 1500 LT 5.3L
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Vehicle Data
2012 Chevrolet Silverado 1500 LT 5.3L
Engine | 5.3 L |
Trans | 6-speed Automatic (Electronic) |