1990 Lexus LS 400 "fuel pump relay ls400" Questions

...is the fuel pump switch located on a 96 Lexus ls400 I belive it is Where the air pump cover is located the fuel pump relay should be located in that area. Right side(passenger) towards the fire

...fuel pump itseems OK when 12volts applied, but there is no voltage getting to the fuel pump otherwise when checked with volt meter. so what could be causing the lost of supply voltage to fuel pump ck ...

...fuel pump resistor on a 1993 lexus ls400 I cant seem to figure out the location from the diagrams ive looked at. Thanks Its supposed to be to the right of your battery ( if you are facing the engine ...

No power to fuel pump relay my car is 1990 ls400 any ideas all fuses are good and fusible links Read the last post:http://us.lexusownersclub.com/forums/index.php?showtopic=66180

i have a 1996 lexus ls400 is there another fuel pump relay besides the one under the hood No, just that one.

fuel pump, ECU relay/fuse, fuel flow, air filter, wire bundle in trunk and all the other possibilities out there that I can think of but nothing works. Cleared ECU memory this mrning and car idle fine

the same issue and have not been able to trace it down.I have checked the ecu,airflow meter,egr,fuel pump it may be in the wiring or a relay although I tried a fuel pump relay.Have you fixed yours yet

...fuel pump is not coming on Number 3 pin @relay sends power to the fuel pump
(green wire), pin 2 (green/red gets grounded by the fuel injection power train computer, pins 1 AND 4 GET POWER THROUGH ...

...fuel pump, fuel pressure regulator or what! Please HELP! You are on the right track with questioning the fuel pump. Someone would need to check fuel pressure with a gauge when it fails to start. The ...

...fuel pump relay operates correctly. Power is supplied to the fuel pump when the starter is engaged and will continue to run if the motor is "running" When you let off the key and the starter ...