Hey all,
I just purchased a 1992 LS400 that won't start and I wanted to ask your opinion before I begin diagnosis. I'm an automobile restoration mechanic by trade so I'm not afraid of cars but I work mainly on pre-1970 vehicles so computer brains aren't my thing. Anyway, the guy I bought it from (an honest friend) rear-ended someone and cracked the driver's headlight, grill and dented in the bumper a little - a real minor accident. He said he shut of the car - which was and had always operated perfect up until this point - and when he went to restart it the car wouldn't start. He had it towed to his condo and tried to start it again and nothing happened. He eventually wore down the battery trying to start her every few days. About a month later he tried again with a borrowed battery and no dice. I bought the car and installed a new battery. She'll turn over and over but won't fire. I was wondering if these cars had a fuel pump inertia cutoff switch in them. I know Range Rovers have a switch that senses an impact and shuts of the fuel pump so fuel doesnt spew everywhere. You have to push the button back in manually to reset them or they'll never start. Sorry about the long post. Any advice is greatly appreciated. Thanks!

 

hmmn, this happened to me a while ago. No collision, but car wouldnt start. Car would turn and turn but wouldnt start. My mechanic said he changed a couple of relays and replaced the computer module. He had it tested on an analyzer. Just a headz up to let you know. Good Luck!

Just FYI, this happened when i was driving, car just cut out like fuel pump went bad. I changed my fuel pump. I put new one in and didnt get voltage. The old pump probably was still good just the module bad....My car has 162000 miles on It.