D David New member Dec 14, 2010 #1 i have a 94 buick ultra and when im driving and my car heats up my car begans to putter and slightly backfire but when it is in park it idles fine what could be the cause of it?
i have a 94 buick ultra and when im driving and my car heats up my car begans to putter and slightly backfire but when it is in park it idles fine what could be the cause of it?
