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Old 09-16-2019, 11:52 AM   #9 (permalink)
Ex- 6BT Square Body Man
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Join Date: Aug 2008
Location: Oakdale, CT
Posts: 9,694

Originally Posted by jontsa View Post
The custom intake covers the IP and makes it difficult to access.

I pressed the light load advance arm while engine was idling but did not notice any change in RPM or engine sound. There was however a rattling or "clinking" noise when pressing the arm and it sounded like it was coming from the IP. Looking at the manual and videos found in the forum, I assume there should be a clear change in the RPM?

Take the intake off and run it, this check is very important, you will be going around in circles if there is air causing these issues.
While running there might be some very small bubbles, but the key indicator of a air leak is the line being clear after sitting over night.

Yes, the idle should fish bite, I think you need to bump the timing to the drivers side. About a dimes width then check again.
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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