SOURCE: My 1990 Lexus LS 400 stalls unexpedly (at any
Your fuel pump or fuel pressure regulator are not supplying constant fuel pressure. Too much or too little is causing it to kill. You can pull the vacuum line from the regulaor and check for gas. If there is none, you need a pump, it is weak.
SOURCE: what size gas tank does 1990 lexus ls 400 have?
Fuel tank: 22.5 Gls.
More details in Lexus LS400
I hope helps with this (remember rated this help) Good luck.
SOURCE: I have a 1990 Lexus LS 400 and...
I would inspect your wires at the starter. If you live up north then corrosion is bad, clean all wires going to starter. then clean wires to back of alternator. I seriously doubt that alternator is the problem, but if you remove it you can have it tested for free at most parts stores.
Testimonial: "Thank you! You was right, it was not the alternator, it was a 125 AMP that was blown."
SOURCE: front strut replacement 1990 lexus ls 400
u will need to remove tires and support car on jack stands under the hood u will find three nuts holding the strut up u can only pull strut off once u hav removed all other bolts from below car... go to auto zone.com and look up repair manuals they will be free after u sign up which is also free
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