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Q: im a lic tech, changed the engine 3.6 buick lacross,an now I have no fuel,car on 2011 Buick LaCrosse

runs on starting fluid,an well stay running, I have a fuel issue,its like the car runs then shuts off,maybe fuel delivery is being shut down, any ideas
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ALL intake hoses hooked up(NO leaks!). Do you have a scanner to monitor live data when trying to start it? Watch injector pulse width/command.
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