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

Ls400 issues- P0171 and won't start

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Old 11-02-18, 03:58 PM
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FLIGHT011
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Default Ls400 issues- P0171 and won't start

so all of a sudden my 96 ls400 wont start. i used the scanner and code P0171 popped on. so i know the issues could be alot of different things but is there anything i should i check out first? any help would be highly appreciated. thanks

Last edited by RA40; 11-02-18 at 09:58 PM. Reason: descriptive title
Old 11-03-18, 02:59 PM
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billydpowe
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check out all your vacuum hoses, even the brake booster vacuum... and plug them if you have too...
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