93 altima gxe, auto 194k. Extremely poor acceleration in 1st gear(have to floor it to get to 2nd), gets progressively better thru each gear. This problem is intermittent but lately a white smoke will come from underneath car when this happens, no odor. Has new fuel/air filter, spark plugs/wires. Is it the cap/rotor, mass airflow sensor or o2 sensor? The valve cover also has a prominent oil leak(needs 1 bottle a week to stay level).
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Tuesday, July 31st, 2007 AT 4:19 AM