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Q: My Lexus will not stay started. I replaced the fuel pump & fuel filter. on 1994 Lexus GS300

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Tried changing the battery and still will not stay cranked. Its been siting for a month now. Do anyone have an idea on what the problem could be? Please help me!
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Was the battery dead at the first attempt to start? Can you force it to run by using gas pedal?
Yes the battery was dead and yes once its jumped I keep giving it gas but cuts back off. Could it be the IAC valve, or a relay?
Was thinking it may need to relearn idle straregy. Try to keep it running as long as you can to see if it will ever idle correctly. May take a few minutes!
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