Timing change
Hey there. The sound does not increase with speed or while turning the vehicle left or right? If the vehicle only makes the sounds while moving, you may even have a faulty wheel bearing (https://www.yourmechanic.com/services/wheel-bearings-replacement) assembly. A worn wheel bearing...
Its running very poorly and constantly dying. It would idle high then chug then level out the moment you put it in gear it would chug and die. initially replaced coils and plugs (ran better for a day then got worse). next i got 3 ...
Its running very poorly and constantly dying. It would idle high then chug then level out the moment you put it in gear it would chug and die. initially replaced coils and plugs (ran better for a day then got worse). next i got 3 codes (p0300 p0106 p0171). Replaced MAP sensor and [camshaft](/topics-camshaft-chevy/) postition Sensor. seems to stay running now but chugs when you put it into gear but does not die. Mechanic's Assistant: How old is the transmission? Have you checked the brake switch? Factory trans 150k miles. could that be the issue? Mechanic's Assistant: What is the make/model/year of your car? 2011 chevy malibu 2.4l Mechanic's Assistant: Are you fixing your Malibu yourself? What have you tried so far? Yes myself. plugs coils camshaft position sensor and MAP Mechanic's Assistant: Anything else you want the Mechanic to know before I connect you? Can you send the first message i sent to you?