93 Altima poor acceleration

Tiny
ELVISNISE
  • MEMBER
  • 1993 NISSAN ALTIMA
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).
Tuesday, July 31st, 2007 AT 4:19 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
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.
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Tuesday, July 31st, 2007 AT 4:32 AM

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