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Anonymous Posted on May 16, 2010
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2002 Impala: transmission limp mode...

Transmission limp mode

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Robert Veldman

Robert Veldman

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  • Chevrolet Master 373 Answers
  • Posted on Jun 06, 2010
Robert Veldman
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Most transmissions have a limp mode, or limp-home mode.
If the driveline computer thinks there is something wrong, it can lock the transmission into one gear, such as 2nd gear. Usually reverse will also be available. The Impala automatic has 4 speeds. 2nd speed or gear will get you home, but the engine rpms can get a little high. I wouldn't get on the expressway will in limp mode.
Before taking to the shop, you might want to try and reset limp mode by turning the car off for a couple minutes, or you may have to disconnect and reconnect the battery.

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