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Old 09-02-2019, 06:56 PM   #2 (permalink)
Ex- 6BT Square Body Man
legendman's Avatar
Join Date: Aug 2008
Location: Oakdale, CT
Posts: 9,690

Put a clear line on the return off the injection pump and see if there are any air bubbles.
Ideally after sitting overnight you want a small bubble the next morning, if the line is empty then there is a air leak between the tank and injection pump.
Also take off the fuel cap/s and see how it runs.

Originally Posted by Diaric View Post
What your saying happened, should never be able to happen.
Originally Posted by smackzed View Post
I put a chevrolet tailgate on my last truck and it started acting like a girl...love me, need me, want me pay attention to me. Took it off and put the GMC back on (fixed the latch) and it went back to being the same old dirty bastard it used to be
~ Bob
1987 K20 5.7 TBI 700r4 np208
1990 C1500 5.7 700r4 Short stepside
1999 Chevrolet K2500 5.7L Auto
2006 Jetta TDI 5sp

Do yourself a favor and read the 6.2 Diesel Student Training Manual ... lots of good info...it's in PDF format located here >> PDF Manuals
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