93 altima poor acceleration

1993 NISSAN ALTIMA

ELVISNISE

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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).

Jul 31, 2007 at 4:19 AM

RASMATAZ

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[quote:16369bc6eb="elvisnise"]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).[/quote:16369bc6eb]

You should have change the cap/rotor.Possibilities: TPS/MAF/VSS/and my favorite CTS sensors

Make sure you have a tight connection from the s/plug to the cap.

Oil leak try tightening it up.

Jul 31, 2007 at 4:32 AM

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