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We are working on a 97 Tahoe 4wh dr. 5.7 vortec. This is what we have. BTW it has 230,000 miles on it. Check fuel psi. 58 to 62psi. Replaced fuel filter, (had small amount of water in it) Dropped tank and cleaned installed new fuel pump. First pump wouldn't even run. Return, 2nd pump runs 60...

I am working on a neighbors 97 Tahoe . The number 1 engine fuse under the hood has a dead short in the circuit. We pulled the engine out and when we did the short went away.After we installed the engine the short appeared again. We disconnected each sensor and ground trying to isolate the short...