fuel test port - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 3 (permalink) Old 04-20-2018, 03:24 PM Thread Starter
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fuel test port

the lb7 s have a fuel test port by the alternator can anyone tell me the make orpart number for the FEMALE HALF QUICK CONNECTOR THAT FITS THIS PORT THANKS IN ADVANCE

2003 silverado 2500hd. 4x4 crewcab lb7 6.6 duramax
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post #2 of 3 (permalink) Old 04-21-2018, 12:56 AM
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I don't know the part but the hose and gauge will have to be rated for 30 thousand PSI.$$$

If your are looking to check rail pressure a BAFX OBDII Bluetooth module ($35) and the app Torque (Pro $9) will do that much better. (Injector balance rates, boost etc.)
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post #3 of 3 (permalink) Old 04-21-2018, 03:10 AM Thread Starter
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test port

hi i think its a low vacuum reading on that port i think i will cut into the fuel line on the out let side of the fuel filter then run a vacuum line into the cab 4 my feading thanks

2003 silverado 2500hd. 4x4 crewcab lb7 6.6 duramax
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