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Sorry crazy late reply, we suspect it was the head since they were used and according to our leakdown we had air coming back up into the intake. Machine shop sold me the short block which is fine. ...

Think I found it, #4 plug was the hint. Zero compression on that cylinder. Game over.

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Brought my engine to TDC, everything matches up.
Disconnected the MAF to make the PCM run off the fuel tables to no effect.
Disconnected EGR solenoid with no effect.
Opened the PCM...

Sorry it took me longer to get the log and tune. It seems when I try to get home early from work everything goes sideways.

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I noticed two things different from last time I idled the...

http://www.gmtruckcentral.com/articles/distributor.html

Far as I can find how to setup and stab it.

I'll upload the tune and my data log tomorrow afternoon. Tune is pretty simple stock segment swaps with VATS disabled.
Let me describe how it runs a little more clearly. The engine is hard to start...

Its dark now, put the intake all back together with the cleaned up plugs and nada still pops and runs like a dog. I'll start it tomorrow again and record/upload a data log.

Alright, poked a little more.


1.Removed upper intake manifold. Re-installed fuel rails and pressurized fuel system. No visible leaks.

2.Applying straight ground and 12v to #4 injector...

Sup folks, first time posting but I've run into a pretty show stopping problem I can't figure out. My engine will not idle or run worth a snot.

The truck; 2001 Chevy S10 V6
The engine; 0 miles...