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97 Chevy K1500 CSFI fuel system low pressure (1 viewing) (1) Guest
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TOPIC: 97 Chevy K1500 CSFI fuel system low pressure
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pilona42 (User)
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graphgraph
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97 Chevy K1500 CSFI fuel system low pressure 6 Months, 2 Weeks ago Karma: 0  
So I have been pulling my hair out for over a week! I think I have a low fuel pressure problem. I replaced my fuel pump, filter, and fuel pressure regulator. With the engine running at idle the fuel pressure is at 55lbs. When I just cycle the key the pump runs at 64lbs. What could my problem be? The only thing left to replace is the spider but im trying to avoid that. Also I have a TPS error code that keeps coming up. Can this be related?
 
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