I have a 2007 EL. I want to put in a new radio, nav, rear camera set up and was wondering if changing out the factory radio effects anything computer wise. Like Will the oil resets or system status checks disappear? I swapped out the factory unit in an impala and loss all the reset features for...
i have an 07 EL and had to change the plugs and coils due to it chugging and misfiring at higher RPMs and after that I still had a sluggish performance. turned out my cat converters were clogged. Changed the fuel filter too. Now she runs like a champ.
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