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The problem is, i don't think it is anything in the tune. Shouldn't this thing run just as it was in the truck. It definetly seems like there is something that I have wrong, but I just can not nail...

OK, So i am at a loss then. I have no idea where to go next

Thanks for the reply. I have had this mentioned before I was just hoping that there is something that i am missing. It seems like it would not pull through the RPM range if this is the case, but...

Ok so I am starting a new thread here. I have been fighting a loosing battle on a miss fire, rough idle since I have started my motor. I am running a 2004 Bone stock 5.3 DBW setup on an engine run...

Update....... I am still having the same issue. I have built another harness to make sure i did not have a short somewhere giving me a problem, and it does the exact same thing. This thing only acts...

I am going through my grounds now. I have one from ground to battery. Another from battery to stand and the 3 harness grounds to the back of the block? Sound ok

Anyone else?

I noticed the timing seemed a bit odd as well. Any other ideas of things that would cause this

Has anyone been able to check out my tune file and see if there is anything that I disabled wrong, or something that I missed?

OK, Thanks again for all the help. The evap purge solenoid has been eliminated from the harness so it is not hooked to the solenoid. Since this sensor is not hooked up I would assume that the...

UPDATE...I started up today with the same result. The first scan was with the MAF tune and the second time I ran it was in speed density setup. The idle acted differently but not better, it seemed to...

So to set this is up as speed density, i would go to ENGINE-Airflow vs. Frequency and set that whole column to 0?

Ok Great, I would love to eliminate the to much fuel issue I think I have. I will try to try figure out the SD set up in the morning and see if the condition changes at all. Does anyone have any more...

Thanks everyone again for the continued support. UPDATE.... I replaced the regulator today and dropped my fuel pressure down to 58lbs by doing so. I am not sure if I had a faulty regulator or what...

Thanks everyone for the replies so far. I tend to deffenitly believe this thing is being flooded with fuel. for some reason. after its warm the thing stinks out the shop of unburnt fuel. Im not very...

OK, I am new to HP Tuners and somewhat new to LS motors. A little backround, I work for a restoration shop that sees a need for setting up LS motors for customers. Well I got tasked with the job to...