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Oh bother! I found the code, but now I do not know where it is!
Ever since I replaced my oil pan, which required removing my exhaust manifold, I have heard a rattling when I accelerated. Someone told me that I had a cracked manifold and exhaust was hitting the heat shield, but I took it to a welding shop and the guy said that it was not cracked, although it was not square. One mechanic told me that he always had manifolds ground back to square while another said that bolting them down flattens them out. All of the bolts seem tight on the shield, but if there is a leak somewhere, could that cause a problem, or would it just cause another problem?
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