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Message: <blockquote data-quote="96blak54" data-source="post: 1586224" data-attributes="member: 14727">The stock fuel rail sensor is a high fail sensor even aftermarket sensors fail and wont produce a code, just wont run, stutter, and stumble. Your codes indicate lean condition suggesting unmetered air from the mass air meter. Look all the vacuum lines over real good. Maybe pull the lines off at each end to be sure they are dry especially the fuel rail sensor so that fuel isnt passing through the sensor. Check the air intake hose after the mass meter that it isnt cracked or that another hose attached isnt compromised. Its possible the mass meter needs cleaning or it simply has stopped working. Also recheck all cable connections and wiring that they look good.The throttle body and the upper plenum have seals that typically do not degrade, but anything is possible and might need to be changed. If your car has the original intake manifold and does not have an aluminium crossover, they are prone to cracking.....most times at the water crossover area, but anything is possible and could crack anywhere allowing unmetered air in.I hope you find the problem. We here to help, just keep us informed of what you do. We can help you track down the problem.</blockquote>