There is something wrong with my exhaust, possibly resulting from me taking apart everything to replace my oil pan. Someone said I had a cracked manifold and exhaust hit the manifold when I accelerated, but the welder said that my manifold was not cracked, although it was not flat, either. All of the bolts seem tight.
Could an exhaust leak affect drivability? I am about to order the O2 sensor because I have too much going on right now to spend a day diagnosing my car.
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