Fuel pump test port
By any chance does anyone know what size adapter you need for the fuel pump test port by the coil pack on the 4.3 vortec?
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Guess i'll take the calipers out tomorrow thanks for all the help!
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There's a lot of action on here, it takes time to get replies, especially under three hours.
Give people some time, chances are after they seen your second post they said f it. Anywho, my 95, the fuel port is a -4 AN fitting (the thread size overall is 1/4, here is a fitting I used to make an adapter for the fuel pump 1/4 in FL x 1/4 in MIP) but you must have the correct female end to complete the seal for proper testing. I assume you are getting a gauge to test the pressure? Here is the one I just purchased Actron Fuel Pressure Tester Kit CP7818: Search no more for the best Electrical Tools & Testers at Advance Auto Parts |
The 96+ Fuel System Diagnosis thread give the specifics on the fuel pressure test port. It is very, very rare that a question has not already been covered.
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Thanks for the info yeah guess I was getting antsy.
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