What is your question?
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What is your question?
97 yukon 5.7l starts then dies right away, have spark and fuel and timed
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What is fuel pressure doing from key on engine running to 'start' then after it stalls? IF you answer , give PSI readings from a gauge , not just a yes it's good!...Ignition switch failure ... next thought. other guesses which can be tested/verified before spending money on wrong parts...Mass air flow meter(or leaks in intake hoses) and idle air control valve.
My fuel stays at 60psi.no drop in psi. Ignition switch has been replaced. But some thing hapends the the conectshon with the turn signal switch after a few mounths. My blinkers would stop working at the dash and the bulbs but my haserds still work. I put my old switch in and it works. And i don't know how to test maf meter or iac valve but I'll look into it and get back to u.
use scanner to see live data values on maf & iac.