Nothing in the fuel delivery system sets a CEL, it is mostly mechanical. Newer cars have a fuel pressure monitor, but they also have more computers and 3 fuse boxes!!
I got a P0300 once. I ran out of gas as I was pulling into the pump, lucky me. After starting the car, the air in the line and pump caused the misfiring. I could have prevented the codes had I been a little more patient and let the engine idle for a few minutes, instead I was headed back into 55mph traffic with full boost.
Klaus
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My name is Klaus and I am a V ♂ lv ♂ holic
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