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  1. opfor2

    P0030 bank 1 O2 sensor heater & P0050 bank 2 O2 sensor heater

    I'm getting the above DTC's which would indicate that the O2 heater circuit is not working. This issue is not severe enough to activate a CEL but shows up just as a DTC this may also be the reason for my drivability issue when the Engine is cold. Checked the engine compartment fuse panel (see...
  2. opfor2

    What does removing the negative battery terminal really do?

    So, when you remove the negative battery terminal what components are really affected and reset to factory values?
  3. opfor2

    wiring diagrams

    So where does one find wiring diagrams for a 2011 Tahoe??
  4. opfor2

    Cold Starting issue

    It it's not one thing it's another!!!! I had a few extra $$ to play with so I replaced the Throttle body assembly w/ Genuine GM 12629992, MAF sensor w/ACDelco 23256991, and the Temperature sensor w/ACDelco 213-4514. Now when the engine is cold like early in the AM cold it sputters, stalls and...
  5. opfor2

    Rough idel issue

    I'm having a slight rough idle issue. I have checked for a vacuum leak by using carb cleaner and nothing was found. I replaced all eight injectors about 6 months ago and my issue persists. I also cleaned the MAF sensor. I have attached my fuel trim both at idle and at 2000 rpm. I'm hoping...
  6. opfor2

    Cleaning the Throttle Position Sensor

    Can the TPS be cleaned and if so, is this something that should be done routinely?
  7. opfor2

    No power to OBDII plug under dash

    resolved see other post.
  8. opfor2

    Airaid 200-996 Modular Intake Tube ?

    I notice that a lot of guys buy a Airaid intake tube only to remove and sell it why is that? I just bought one on eBay and noy I'm wondering if this was a good decision.
  9. opfor2

    GM Trailer connector

    Good morning, Does anyone have the GM or equivalent part number for the factory trailer connector that will fit into the OEM location?
  10. opfor2

    No heat blowing out of foot heater vents

    I'm getting no hot air flow out of the foot heater vents when the foot switch is on. Any idea what actuator to look at?
  11. opfor2

    rear liftgate adjustment

    So I was wondering if there is a way to adjust the rear liftgate for a tighter fit? I notice a lot of dust in the rear cargo area coming from the door and rubber seal, the rubber seals appear to be in good shape. Any thoughts??
  12. opfor2

    Left (Drivers side) motor mount removal question

    So according to the 2011 GM service Manual, Volume 3, page 9-966 the procedure is as follows: a Remove the air cleaner outlet duct b if 4x4 remove front four-wheel drive axle c remove generator bracket Why in god's name do I have to remove the generator bracket??
  13. opfor2

    Cooling fan help

    Good morning, I'm in a situation where I don't have access to my service manuals. Last night I got stuck in some pretty bad traffic and my 2011 Tahoe overheated. I was able to pull off of the freeway and allow the vehicle to cool and when traffic died down drove it home with no issues. Both...
  14. opfor2

    Rear Axillary heater core question

    discovered that I have a small leak in my rear axillary heater core. I just ordered a replacement OEM core from Rock Auto. Do I need to evacuate the AC system in order to replace the core?
  15. opfor2

    AC Capacity help

    Good morning all, I'm having a AC leak on my 2011 Tahoe, and once fixed i will need to evacuate the system and then recharge it (DUH) the issue I'm having is the AC capacity sticker that's on the front of the truck is unreadable. I have a 2011 with a rear AC could someone with the same setup...
  16. opfor2

    Power steering cooler

    Has anyone installed an OEM power steering cooler on their Tahoe's?
  17. opfor2

    front differential fluid

    So what type of front differential fluid do I use?
  18. opfor2

    Used fuel injectors

    Is there a market for used fuel injectors?
  19. opfor2

    Oil catch can install

    I just received my "Evil Energy" oil catch can off of Amazon. How do you tap into the PCV system on our Tahoe's?
  20. opfor2

    Front Driveshaft bolt size

    does anyone know what size bolts are use on the front driveshaft on a 2011 Tahoe 4x4? I need to drop the driveshaft to get to the oil cooler gasket and the prsent bolts are thrashed and I would like to replace them. Thank you..
  21. opfor2

    Loving my E85 right now

    Like stated in the title, I'm loving having an E85 capable Tahoe right now with the fuel prices being $ 5.59+ a gallon in Riverside County, CA., and E85 is $ 3.15 a gallon. It just sucks that I'm only getting like 10.85 miles per gallon on it. Oh well....
  22. opfor2

    2011 Tahoe 4x4 oil pan replacement question

    I have a 2011 Tahoe 4x4, which is going to have to have the stock oil pan replaced due to one of the oil cooler bracket bolt holes being “stripped” and causing a significant oil leak. I’m going to buy an new OEM oil pan from Rock Auto (GM GENUINE 12640746) my question is what am I in for? Does...
  23. opfor2

    2011 Tahoe police SSV Supplement

    A while back I had requested if anyone had a supplemental PPV-SSV manual and I was told that it was nonexistent. Well here it is it's for my 2011 but has good info in the wiring for the PPV-SSV.
  24. opfor2

    2" strut lift shim ID

    I have an official 2011 CBP "Border Patrol" build Tahoe and I was going to replace the front struts with Rancho p/n RS551784 Shock/strut & Coil spring assembly's. Upon removing the old struts I noticed that they were modified with a 2' lift plate (see photos) Can anyone help me by identifying...
  25. opfor2

    Button Repair Kit Sticker

    So has anyone use Button repair stickers for the radio and AC such as (https://www.amazon.com/Dash-Button-Repair-Sticker-Chevy/dp/B09SBL2SB4/ref=sr_1_6?qid=1688852970&s=automotive&sr=1-6&vehicle=2011-47-499------------8&vehicleName=2011+Chevrolet+Tahoe) and if so were you satisfied with the...

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