My plan is to end up doing a full custom exhaust. And I agree that shorty heads would not do much at all. I really only want long tubes. What has to be done to them to make f150 headers work. Ceramic coated would be great. But if I am going to have to bend them some they will probably be stainless.
Is there any playing passenger side. Normally if bearing going bad it will have play in it. Could it be possible that it could be coming from the back. Sound can travel the drive line and make it seem as if is is from a different location.
Was that right after start up. Will also tell you mine was throwing the same codes with the problem. I had no vacuum leak. Everything you are experiencing is the same as I was. That's why I am expecting it to be the same problem. But I could be wrong
Yes it is possible. I tryed that on mine. Hope it works better for you. I also try fuel pressure regulator. And changing the core on the fuel rail. Where you check pressure. To my understanding the reason for the long start time is because when the fuel runs back in the tank air gets in the...
Will f150 long tube headers fit on a 2001 expy 5.4 4x4. Just curious I plan on redoing the exhaust on it sooner or later. Could not find any long tube for expy.
Ok I just created an account to answer this for you. I have a 2001 expy 5.4 4x4. It was doing exact same thing. Took me a while to figure it out. What fixed it was changing the whole fuel pump. The fuel pump has a check ball in it to keep pressure when shut off to my understanding. When it gives...
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