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I just now seen your last post, and I completely understand. I am making a few more minor changes and then next time I have a Firday off I am going to take it to the machine shop near me. They say...

Well I made a few changes to more reflect the 2002 van file to start with. I believe that I now have the correct O2 setting and have disabled the air pump. Seems to run a little bit better with this...

ok, I have taken the test and have my Tuner unlocked, If you dont mind, which ones do I need to make sure are on to allow the system to see what I have. This is a stock 97 suburban.

ok, I am working on unlocking the options on my hptuners. Then I will start by getting the hardware configured correctly for what I have. I am then going to look for newer injectors to change the...

As for the air pump it is saying that below 36 degree that the air pump is disabled. Dont that mean that it is on? Also, when I go to engine Diag. and look for anything to do with the Cats or O2 they...

That sounds like those might work, really hate to change them out again, but it is what it is. Let me see if I can make the changes and i'll get back with ya. Thanks again for all the help.

Also, one other quick question, as I don't know hptuners to good. Could you give a little more detail on how to disable the air pump and reactivate the cats and 02 sensors.

Would you happen to have a Bosch part number that would work? What if they are purchased new from discount, autozone or Orielys.. could these be considered ok?

Autozone shows Bosch 62716 new...

Which injectors would you recommend for this truck? I should of went with the 5.0 motorsports injectors like i wanted to, but they were very pricey. I guess this is what I get for trying to save a...

Well thank you for the reply, I will start by adjusting the items that are saying they are either there or not to reflect what u really have. As for the injectors, I hoped they were not fake as I...

I am really new to all of this. Just s9mething that I really wanted to learn, and the internet just seems covered in information. But the more I read and try to learn, it seems like the more...

I purchased the injectors from motorman.com... Manufacturer: Bosch

Body Style: EV6

Oring Size: 14.5mm Viton

Plug Connector : EV1 / minitimer / jet-tronic

Coil Resistance : 14.5 ohm

Hello everyone, Nick here... I have a 97 k2500 suburban with the 7.4l engine. I am really new to the whole tuning world and hoping to learn more. As this truck is not a daily driver and more like a...

So, this is my first post. So please bare with me, and sorry if I sound so new to this. I have a 97 k2500 suburban with the 7.4 liter engine in it. I have only started to do some mods to it. But...

I know this is not been a thing really taking place for the last couple years. Or atleast as far as I can tell from searching the forums. But I have completed my 0411 swap, with pin out from Lextech...

Hello everyone, Wheeler454 here, I am a tuning newbie. This is my first time ever starting to do tuning. I have a 97 k2500 suburban with the L29 7.4l vortec. I decided to do a 0411 pcm swap. I have...