Top 10 1993 Lexus Ls 400 Questions & Answers

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You will have to remove your back seat to gain access to fuel pump. Fuel tank is located in trunk. No need to take fuel tank down.

WE ARE AN AUTO REPAIR SHOP IN ROCK HILL SC. WE HAVE RUN INTO THIS PROBLEM BEFORE. WE CAN REPAIR THIS, PARTS AND LABOR APPROXIMATELY 625.00, WITH A 12/12 WARRANTY. CONTACT EAST COAST PERFORMANCE AT 803-329-3868

If its a factory installed radio and not an aftermarket radio, only dealerships can reset the radio for you. The reason for being is dealerships needs to be sure that his or her radios are not stolen.

I HAD THE SAME PROBLEM WITH MY CAR. 93 LS 400. THAT WOULD BE YOUR FUEL FILTER OR THE FUEL PUMP GOING BAD. TRY CHANGING THE FILTER FIRST. THE DEALER TRIED TO CHARGE ME $980 TO CHANGE FUEL PUMP.

Hi,

The fuel pump relay is located at the front right inner area of the engine compartment just past the strut tower. it should be in a box by itself labelled fp relay.


Have a nice day!!!

GS300, LS400, SC300 and SC400 - Park/Neutral safety switch

1. With the ignition switch OFF, disconnect the battery cables, negative terminal first. Allow 90 seconds to elapse before performing any other work.
2. Raise and safely support the vehicle.
3. If necessary, remove the front exhaust pipe.
4. Disconnect the neutral start switch connector.
5. Remove the control shaft shift lever.
6. Pry off the washer and remove the nut.
7. Remove the bolt and pull out the neutral start switch. To install:
   
8. Install the Park/Neutral switch and loosely install the bolt.
9. Adjust the switch as follows:
   1. Loosen the neutral start switch bolt and place the shift lever in the N position.
   2. Align the groove and the neutral basic line.
   3. Hold in position and tighten the bolt to 9 ft. lbs. (13 Nm).
10. Install the nut and washer.
11. Install the control shaft shift lever.
12. Connect the electrical connector.
13. Install the front exhaust pipe. Torque the front nuts to 46 ft. lbs. (62 Nm). Torque the pipe support bracket to bolts to 32 ft. lbs. (43 Nm). Torque the No. 2 front exhaust pipe to the front exhaust pipe bolts to 32 ft. lbs. (43 Nm).
14. Lower the vehicle.
15. Connect the negative battery cable to the battery.
16. Verify that the vehicle will only start in the N or P positions.

Sounds like your fuel filter is getting clogged up. Get that changed and it will be fixed. Should be an easy, cheap fix. Hope this helps, James Booth :))

You can try to get a free chassis wiring diagram through autozone.com.
Just register the car for free and you can get what you need.

You need to have someone scan the computer for trouble codes. Most auto parts stores in the US will do this for free in hopes of selling you some parts. The traction control uses the engine to maintain the stability of the car, so you may or may not have a second problem with that system.