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To follow up on this, believe I got my issue fixed. Pulled the TVS and MAP sensor out yesterday evening, and found a decent size crack/gap in the bottom side of the MAP sensor. Almost looks like it...

Yeah, sensor replacement is pretty easy, and the OE I ordered was like $34, so definitely worth trying. Hopefully I'll get lucky and that will be all it was, or the bypass solenoid which I will also...

Hi, thanks for the input!

So my base tune was done by a fella who seems confident, but is new-ish himself I believe. He's been a great help in teaching me about this, but I obviously have no...

Hey, thanks for the reply!

Stock bottom end and head (cams, valvetrain...all stock), though I did get a valve job and had the head resurfaced within the last 2 months. Thought I had a couple bent...

Hi all,
Fairly new to this tuning thing, but have had some great guidance so far. I've got a 2006 Cobalt SS/SC, LSJ engine, TVS 1320 blower with 2.9" pulley, Siemens 80# injectors, K&N CAI, ZZP...

Hi @TCSS07. I appreciate you taking your time to respond.

So to answer a few questions;
1) I bought the car from a guy who wasn't able to get it running, so the car has never run good since I've...

Hi all, new around here and new-ish to HPT.

So I have a 2006 Cobalt SS with the LSJ engine. Mods:
TVS 1320 blower w/ 2.9" pulley
Siemens 80# Injectors
Shorty headers, catless downpipe
K&N...