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Old 01-11-2009, 03:41 PM
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87 suburban losing fuel need help

i have an 87 chev suburban it has been running great and we took a family trip or started to and it just lost fuel and died it restarted revved up made it about 50 foot and died again we changed the fuel filter and it started up and made it home and then died again. this morning we replaced the fuel pressure regulator started it and it made to the corner and died again. the fuel pump is coming on when you turn on the key bit it is not always getting fuel. then it will start again and idle fine. then as soon as you take off it dies again and loses fuel any suggestions please let me know thanks

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Last edited by piercebunch; 01-11-2009 at 03:45 PM. Reason: more info
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Old 01-12-2009, 10:41 AM
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It sounds to me like the pump is heading south. Best bet would be to drop the tank, clean it, and repalce the pump. Some of the pumps have a fine mesh filter around them, but it takes quite a bit to completely plug on of them. And a pump going bad can still sound like it is working, but it will not pump the fuel. If I had known a month ago I could have given you an almost new on that I had in the cabinet out of an '87 Truck, but I got rid of the stuff I didn't need. Ain't that the way it always goes?
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Old 01-12-2009, 12:49 PM
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I would say your pump is in need of replacement, a fuel pressure reading at the throttle body inlet pressure test connector will confirm or deny this.
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