walbro 255 problem
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hnaskoct, you need to check the fuel pressure. If you don't have a gauge in the car, I believe there is a Schraeder valve on your fuel rail that you can connect to. On the LT-1, it is the back center. Not sure on an LS-1. Borrow a portable fuel pressure gauge and collect readings, then report back in this thread. I suggest you also watch how long it takes to build pressure from key on, engine off.
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#8
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hnaskoct, you need to check the fuel pressure. If you don't have a gauge in the car, I believe there is a Schraeder valve on your fuel rail that you can connect to. On the LT-1, it is the back center. Not sure on an LS-1. Borrow a portable fuel pressure gauge and collect readings, then report back in this thread. I suggest you also watch how long it takes to build pressure from key on, engine off.