LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

Codes 27 and 29?

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Old 09-25-13 | 05:16 PM
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Anybody know where to jump the relay on a 93 for the fuel pump?
Old 09-25-13 | 05:26 PM
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Originally Posted by usoff89
Anybody know where to jump the relay on a 93 for the fuel pump?

right here
Old 09-25-13 | 05:38 PM
  #18  
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You guys think the relay/computer for the fuel pump could have any effect on what its doing? Could the fuel pump computer be cutting out (bad connection) or the built in relay going bad. I understand that on the 93-94 models, the relay/computer is in the trunk (just found that out). The fuel pump runs on two different speeds when needed. I wonder if something is going on here?
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