Rick's Free Auto Repair Advice

Posts Tagged: changed battery and runs poorly

Install a Car Battery

Install a car battery You can’t just yank the battery cables off a car battery on a late model vehicle to install a car battery without causing some problems. Most late-model vehicles include many electronic devices that require power to maintain their “home” positions. An electronic throttle body for example, is susceptible to carbon buildup. Over time the throttle plate doesn’t close all the way and the computer adjusts for that buildup and learns a new wider “home” position. When you disconnect the battery cables, it loses that memory. After … Read More


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