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How to Check For Bad Fuel Pressure Regulator

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Old 10-27-2005, 04:21 AM
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Question How to Check For Bad Fuel Pressure Regulator
How's it going? How would I find out if mine has gone bad? Thanks.
 
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Old 10-28-2005, 09:51 AM
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In most cases (EFI) while it is running, pull off the vacuum line to it, the pressure should rise and no fuel should come from the vacuum port. If there is fuel in the vacuum port, the diaphram has ruptured.
 
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Old 10-29-2005, 05:06 PM
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I can't seem to find the vacuum port. I see the FPS sitting on the fuel rail, and there a little coneector on top of it, but it seems electrical. Is this it?
 
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Old 10-29-2005, 09:03 PM
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That is a vacuum line. Plastic line with a rubber elbow.
 
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Old 10-30-2005, 10:25 PM
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Alright I pulled the line to the FPS and no fuel came out. So I don't have to replace it after all. Always a lot of help lxman
 
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Old 10-30-2005, 11:32 PM
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No problem
 
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