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  1. S

    HELP! LS400 dies at start-up!

    It runs!! Pulled off the left front wheel as I was going to check the main battery ground . Looked up in the wheel well (yes, car is lowered) and the small black/orange wire was broken from rubbing. Soldered a new wire. Voila' I thought it might be the wiring after I did some more reading...
  2. S

    HELP! LS400 dies at start-up!

    I've already done the 12V bypass of the fuel pump ecu. It was the first thing I check actually. Unfortunately that wasn't it.
  3. S

    HELP! LS400 dies at start-up!

    I'm having the exact issue, right down to the fact that if you hold the key in the position to start the car, it will run. It will even rev up if you press on the gas. But as soon as you release the key it dies. I've replaced the coils and sent the ecu in for repair/testing. Neither helped...


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