94 LS 400

Asked by Sep 24, 2015 at 01:26 AM about the 1994 Lexus LS 400

Question type: Maintenance & Repair

Driving my 94 LS 400 on fwy just start bogging out and dead. Before that
no problems , so i pulled over years ago my friend told me to disconnect
battery cable and reconnected. it started and ran for mile and car turned
off. did it one more time and work again for about mile and stop running.
tried to do the battery thing again. but never ran again.It cranks over but
wont start. Need suggestion to find problems asap. Thank u

3 Answers

15

Check the fuel pump ecu in the trunk. It likes to become disconnected. You can actually force the fuel pump on through the diagnostic box. Then try from there.

thank u

by passed the fuel pump relay with hot wire from battery to diagnostic FP and Bt. car starts fine. when i release foot off gas it dies. i change fuel pump relay and main EFI under hood. car starts run on its own. i press on gas to biuld up rpm and its starts booging out. please help thank u

Your Answer

LS 400

Looking for a Used LS 400 in your area?

CarGurus has 170 nationwide LS 400 listings starting at $1,991.

ZIP:

Lexus LS 400 Experts

  • #1
    Tom Demyan
    Reputation
    490
  • #2
    dandyoun
    Reputation
    220
  • #3
    littlehorn
    Reputation
    200
View All

Related Models For Sale

Used Lexus GS 300
20 Great Deals out of 654 listings starting at $2,750
Used Lexus ES 300
11 Great Deals out of 835 listings starting at $1,427
Used Mercedes-Benz E-Class
668 Great Deals out of 22,165 listings starting at $1,500
Used BMW 3 Series
1,084 Great Deals out of 34,190 listings starting at $1,000
Used Toyota Camry
967 Great Deals out of 91,674 listings starting at $300
Used Mercedes-Benz S-Class
165 Great Deals out of 7,691 listings starting at $2,000
Used Toyota Avalon
250 Great Deals out of 16,522 listings starting at $1,600
Used BMW 7 Series
102 Great Deals out of 5,339 listings starting at $2,999

Used Cars For Sale

2000 Lexus LS 400 For Sale
28 listings starting at $3,999
1999 Lexus LS 400 For Sale
21 listings starting at $1,991
1998 Lexus LS 400 For Sale
27 listings starting at $2,350
1997 Lexus LS 400 For Sale
23 listings starting at $3,733

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.