 What's the best way to test a fuel pump? |
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| electrolime |
 Jun 18 2005, 09:26 PM
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#1
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Newbie  Group: Members Posts: 5 Joined: 11-June 05 From: Venice, FL Member No.: 4,257  |
I need to check to see if the fuel pump is functioning on my 74 1.8. The wiring for it on the car is not there so I just need to test it manually. How do I just test to see if the pump will work? I bought this car as a non running project.
Thanks -Pat |
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| Trekkor |
Jun 18 2005, 09:31 PM
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I do things... Group: Members Posts: 7,809 Joined: 2-December 03 From: Napa, Ca Member No.: 1,413 Region Association: Northern California |
There are two terminals on the pump. + and - .
Run a wire to each with crimp-on connectors and touch to battery terminals. go, no-go. (IMG:http://www.914world.com/bbs2/html/emoticons/wink.gif) KT |
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| campbellcj |
Jun 18 2005, 09:33 PM
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#3
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I can't Re Member Group: Members Posts: 4,545 Joined: 26-December 02 From: Agoura, CA Member No.: 21 Region Association: Southern California 
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Inlet hose in container of gas, outlet hose in empty container, 12VDC to hot lead, negative to ground...
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| ArtechnikA |
Jun 19 2005, 09:54 AM
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#4
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rich herzog Group: Members Posts: 7,390 Joined: 4-April 03 From: Salted Roads, PA Member No.: 513 Region Association: None |
at some point you'll also need to know that it an deliver rated pressure; FI cars are very sensitive to fuel pressure.
after you've verified that it starts and runs (no not run it very long dry - like seconds, tops) you'll need to hook up a fuel pressure gauge. use one that goes to 100 psi - good pumps can deliver a LOT of pressure against an infinite restriction. past that, there's volume delivery data in the manuals. |
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