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  1. tiktok4321

    Crazy Stuff on my 08 Hybrid Tahoe - Revs up and Dies

    This is an offshoot of another thread I started thinking I bricked my Tahoe after putting in an aftermarket radio. I since realized that I blew my BCU fuse. Replaced it and it started fine, but then redlines and dies. I've paid two mechanics to come out (because I can't take it anywhere) and...
  2. tiktok4321

    No Crank

    Having some interesting issues with my 08 HyHoe. I replaced the OEM radio head with an aftermarket. Now the truck won’t start. The security icon is on. It won’t turn over at all (hybrid owners know these don’t “crank” in the traditional sense). Battery shows 12v. Won’t accept a jump start...
  3. tiktok4321

    08 Tahoe - CD Player Busted

    Hi all, My 2008 HyHoe's CD/DVD player busted. CD couldn't be read or ejected. I assume that the mechanism failed somewhere halfway between in and out. Anyway, the stuck CD was making an annoying clicking sound for weeks before I finally forcefully pulled the CD out (yeah, not exactly a...
  4. tiktok4321

    P0171 P0174

    Just in case anyone runs into this on their HyHoe, note that this will prevent the vehicle from entering AutoStop. In my case, the PCV came unattached. Popped it in, error went away. FWIW...
  5. tiktok4321

    Maintenance Manual

    Hi all. Does anyone know where I can purchase or rent a service manual for the 08 Tahoe Hybrid? All basic aftermarket manuals I've come up with don't include the Hybrid. Specifically, I need to know the hours estimated to replace the electric AC Compressor.
  6. tiktok4321

    P0301

    Hi Interworld. Pulled a P0301 today. Replaced spark plug in cyl 1, no change. Swapped wire from Cyl 3 with 1 and no change (May have damaged wire). Swapped coil pack with Cyl 3 and added P0300, but NOT P0303. I figured if it were a coil issue, I'd get a P0351 instead of P0301. Thoughts?
  7. tiktok4321

    What is this part?

    So I was dumb and tried to jack up on this point. It bent. Need to replace (though it doesn't seem to affect my ride). What is this called? Can't find a searchable IPC/IPL anywhere. Thanks!
  8. tiktok4321

    Lurching and Hiccups

    This issue has been plaguing me for several years. As I would approach a light and apply the brakes, the truck would lurch as it went into Auto Stop, bang a bit then act like nothing happened. Then, upon accelerating out of Auto Stop, it would bang a couple times. If I just let off the...
  9. tiktok4321

    AC Whine?

    I get a really loud whine now on my 275000 mile 08 Tahoe. I'm guessing it's the AC compressor bearing. I turn off AC and it's quiet. Speed, auto stop, etc have no effect. Any ideas? Compressors aren't all that expensive... servicing AC is another story.
  10. tiktok4321

    APP/TP Sensor Question

    I have a P0121 error on my 08 Tahoe Hybrid. Posting here rather than hybrid forum for non-hybrid question. Can a bad TP sensor cause the engine to surge or stutter abruptly?
  11. tiktok4321

    Before i go to the dealer...

    My 08 HyHoe has 277000 miles on it. New ICE about 4 years ago. Refurbished Greenbean about 5 years ago. Hearing some weird whining under the hood, rarely goes into autostop, avg mpg down to under 14. Greenbean doesn't Ike changing out their lifetime warranty batteries unless there is a DIC...
  12. tiktok4321

    Accessories won't turn off.

    This just started happening on my '08 Hybrid Tahoe. When I turn off the key and remove it, the accessories all turn off, IE radio, lights, etc. when I open the driver door. Starting today, that hasn't been happening. My accessories will stay on when I leave the car key in hand. Until the regular...
  13. tiktok4321

    Metallic Sound when Engine Running

    I have a strange metallic sound only when the engine is running. I don't have any issues with driving. Any thoughts on this? It sounds like crumpled tin siding dragging under the car... Unique to Hybrid? Common to ICE Tahoes? Sent from my Pixel 2 XL using Tapatalk
  14. tiktok4321

    Hybrid Fuel Gauge Recalibration?

    Twice now, my wife has run out of fuel in our 08 Tahoe Hybrid. The first time, the range indicator showed 35 miles to go. The second time, it was closer to 60 miles. In both cases, there was never an idiot light or a DIC message until the engine actually shut off. Is there a way to...
  15. tiktok4321

    Low Beams Out

    I've done some research and this is not an easy problem to me, so I see. Both the low beams in my Tahoe seems to go out at the exact same time. Others have said that they've had the same problem, and many have suggested solutions however, no one has stated that one solution in particular has...
  16. tiktok4321

    08 Tahoe Front Fender Replacement

    I busted up my front passenger fender on my Tahoe last night. Good news seems like replacements are pretty inexpensive, though I think OEM was aluminum and I can only buy steel. No biggie. Adds a few pounds. I can't find ANY online video on how to remove and replace, though. The 07 seems...
  17. tiktok4321

    Blank Screen

    I have an 08 Tahoe Hybrid and lately the head unit sometimes takes 10-15 minutes or longer to come on. It's not every time, either. Yet, all the lights around the buttons and dials work, and the radio works. I can change stations, adjust the volume, etc., both on the headunit itself or on the...
  18. tiktok4321

    12V Outlets - 2 of 3 Don't Work

    I have an 08 Hybrid Tahoe and only one 12V outlet works (front left). Center console in the middle row and the passenger side of the main dash don't work. I can't find a fouled fuse. Do these things just fail? Also, the passenger seat heat switch doesn't work. Is this failure generally in...
  19. tiktok4321

    Headlight Replacement

    I have an 08 Hybrid Tahoe and I'd like to get some bluish headlights to match my 6000K interior lights. What's the most economical way to do this? This is something that's been evolving a lot over the last several years. Is there a halogen 6000K light available in 12V 55W? Are there LED...
  20. tiktok4321

    Dr. Tranny

    Would y'all put a tube of Dr. Tranny in a good transmission as preventative maintenance?
  21. tiktok4321

    Shifter Bezel

    Anyone know what the part number is for the little triangle, chromed plastic piece that sits over the end of the Gear Select lever?
  22. tiktok4321

    Buzzing in Little Driver's Speaker

    I have an 08 Hybrid Hoe. I've noticed an intermittent buzzing in the little speaker that is above the drivers head over the door. Any ideas?
  23. tiktok4321

    08 Tahoe 6.0L LFA - Bent Rod??? Is That Even Likely?

    Cross posted in Hybrid forum, but since this is a mechanical issue rather than a hybrid issue, I am posting here, too. Two weekends ago, my 08 Tahoe Hybrid had to be towed to the shop with a Cylinder 6 misfire. The mechanic is giving me weird stories, and I don't know whether to trust him or...
  24. tiktok4321

    08 Tahoe - Major Engine Issues

    This is a mechanical issue rather than a hybrid issue, but since it's on my HyHoe, I am posting here. Two weekends ago, my 08 Tahoe Hybrid had to be towed to the shop with a Cylinder 6 misfire. The mechanic is giving me weird stories, and I don't know whether to trust him or not. He initially...
  25. tiktok4321

    No display, but audio works

    I have a 2008 hybrid Tahoe which come standard with the satinav DVD player. Lately the display has been cutting in and out hyphen or more precisely taking a long time to turn on after I turn the ignition on. It seems like it's just a loose connection, but I just don't know. Anybody else with...

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