Don Thanks Don, very much appreciate the assistance in this. I wish more of my customers would do this. There's also mention that the replacement assembly is made of stainless steel. It seems to me that the tension on the spring must get weaker over time. The exhaust flap is an emissions component. The Fidelity aftermarket warranty specifically doesn't cover exhaust items so I'm on my own. It used to happen in eco mode only but now I can hear it during start up and in normal cruising conditions.
The sensor monitors the pressure in the exhaust system and determines if the valves are working properly. This can be extremely useful during towing operations. The rattle is horrible indeed. I will take your advice and seek out a custom shop to look into it further. As stated above try some penetrating oil spray.
Car has been fantastic except for these active exhaust valves. Then I'd check fuel pressure. P0476 Ford Description Exhaust Back Pressure Regulator - Is a variable position valve that controls exhaust back pressure during cold ambient temperatures to increase cab heat and decrease the amount of time needed to defrost the windshield. Your Rosaries have been answered. Everyone on the internet is now dumber for having seen your search skills. Flexie - are you the original owner of the car?? I'm getting my second warranty replacement this week at 46K miles. Most of the time it does not need to be replaced.
In the city if I drive with light traffic I get about 17 and then on the highway on mostly flat highways I've gotten 26 mpg at about 65-70 mph. A small very fine grit brake cylinder hone does a great job of removing minor scratches and wear from the cylinder bore and prepares it for the new piston. As it most assuredly will. Called the dealer in northern Ohio and now we'll see how things go. Yesterday, as I was driving, I did notice that at a stop light at idle , the truck sounded like a 12-valve Cummins you know, that marbles-in-the-engine type of cackle , and was idling rough. I've hadn't had any issues with codes since then. Is there any way I can find out the part number or any recommended place to buy one online refurb is fine? I buy my orings from her:.
Just cruising down the freeway at 65 or so I'll see around 20 psi on back pressure. Engine oil level is good and not past due for a change, right? Valve position is controlled by switching the output signal circuit to 12 volts inside the. Do not hesitate to contact a trained technician for advice about this issue. I took this valve apart myself over the weekend, loosen it with my hand and sprayed it with lubricants. The numbers at idle also look normal.
The sound may change some but I don't thing it will be very noticeable. Decided I would stay away if at all possible. So this will arm me with some ammunition if you will on this. I'm glad to hear that isn't causing any code issues. I haven't had the opportunity to get to a performance shop in Largo that Wildbee659 suggested however I did get a quote from him and intend to get there sooner than later to get some resolution. If so, send my way and I will try to go down that path.
Pop Note to self: Time to start looking for a new search engine. It may be best to begin with the small, minor repairs, and if these do not provide a solution, you can start with the larger tasks, such as replacing components on your vehicle. P0477 Description Exhaust Back Pressure Regulator - Is a variable position valve that controls exhaust back pressure during cold ambient temperatures to increase cab heat and decrease the amount of time needed to defrost the windshield. I don't suppose that you have that star case number handy that I can use to reference my issue? Thus, your best option is to leave the problem to trained technicians and have them solve the problem for you. How serious is a P0476 A P0476 can be very serious, particularly when your vehicle will not start or stalls constantly. Upon each initial engine start-up, the exercises the exhaust back pressure valve by commanding it to cycle on and off once. Error Code P0476 can be a serious problem, especially when the vehicle stalls constantly or not start.
How does a mechanic diagnose the P0476 code? Other common causes include open or shorted Exhaust Back Pressure valve harness or poor electrical connection in the Exhaust Back Pressure valve. How to Fix Since this code can be caused by several problems, it is important to run a thorough diagnostic test before conducting any repairs. The exhaust pipe must be replaced if replacement of the valve is required. Only to get the P047f code exhaust pressure control valve stuck open. Print this out and take it with you. I'm not sure of your load condition on the back pressure so I don't know if that's high or normal.