Originally Posted by pizzaguy

If it were MY car, unless I am missing something or ignorant about the history of the car (both possibly true), I'd order a new MAF. I mean, I'd try to clean it but if that did not work, I'd still assume the MAF is at fault. I could be wrong, but again, the clues so far imply a bad fuel/air ratio. Could the Crank sensor be a flake such that, at low speeds, the ECU can't run the engine right but can at high speeds? I do not know the answer to that question, so put in your spare BOSCH sensor and find out, since it takes ten minutes. But I bet $20 it it not the CPS.