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  • Price Drop
    $55,995
    fair price
    $805 below market
    • 65,579 miles
    • No accidents, 1 owner, rental vehicle
    • 7 Seats, 14 City / 19 Hwy MPG
    • Landers Toyota (232 mi away)
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    • Third-row seating
    • Upgraded Headlights
    Close

    Located in Little Rock, AR / 232 miles away from Tyler, TX

    2023 GMC Yukon XL Denali Backup Camera, Bluetooth, Hands-free, One Owner, Cruise Control, Power Locks, Power Windows, 14 Speakers, 15 Diagonal Multi-C...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: No

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    16 Combined MPG (14 City/19 Highway)

    Listing Information:

    VIN: 1GKS1JKL0PR330671
    Stock: R330671P
    Certified Pre-Owned: No
    Listed since: 04-17-2025

    • 177,908 miles
    • No accidents, 2 owners, personal use
    • 8 Seats, 16 City / 23 Hwy MPG
    • TexasCarsDirect.com (107 mi away)
    • Back-up camera
    • Bluetooth
    • Third-row seating
    • Power Driver Seat
    • Tire Pressure Warnin...
    Close

    Located in Dallas, TX / 107 miles away from Tyler, TX

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    18 Combined MPG (16 City/23 Highway)

    Listing Information:

    VIN: 1GKS1GKCXFR285529
    Stock: 285529
    Certified Pre-Owned: No
    Listed since: 05-20-2025

    • 14,282 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 14 City / 18 Hwy MPG
    • Sewell Buick GMC (102 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Dallas, TX / 102 miles away from Tyler, TX

    Sewell Buick GMC of Dallas proudly offers this 2024 GMC Yukon XL Denali Four Wheel Drive that has been professionally inspected by one of our Sewell t...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    16 Combined MPG (14 City/18 Highway)

    Listing Information:

    VIN: 1GKS2JKL8RR298794
    Stock: 5349126
    Certified Pre-Owned: Yes
    Listed since: 04-10-2025

  • Selling or trading in?

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  • $53,955
    fair price
    $1,660 below market
    • 58,266 miles
    • No accidents, 1 owner, rental vehicle
    • 8 Seats, 15 City / 19 Hwy MPG
    • Kirk Brothers Supercenter (328 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Grenada, MS / 328 miles away from Tyler, TX

    Vehicle DetailsIntroducing the 2023 GMC Yukon XL 1500 SLT a powerhouse of luxury, capability, and style! This vehicle is the perfect blend of sophisti...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: No

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    16 Combined MPG (15 City/19 Highway)

    Listing Information:

    VIN: 1GKS2GKD1PR155906
    Stock: U0373
    Certified Pre-Owned: No
    Listed since: 03-28-2025

    • 128,795 miles
    • No accidents, 2 owners, corporate fleet vehicle
    • 7 Seats, 14 City / 20 Hwy MPG
    • Stevens 5-Star Car & Truck Center (450 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Hereford, TX / 450 miles away from Tyler, TX

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: No

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    16 Combined MPG (14 City/20 Highway)

    Listing Information:

    VIN: 1GKS2HKJ8LR195101
    Stock: 5210GB
    Certified Pre-Owned: No
    Listed since: 05-29-2025

  • Stock photo**
    • 4,581 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats
    • Freedom Buick GMC Truck (418 mi away)
    • AWD/4WD
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Odessa, TX / 418 miles away from Tyler, TX

    Pre-Owned 2025 GMC Yukon XL AT4 4dr 4x4 Full-Size Power, First-Class Comfort. This 2025 GMC Yukon XL AT4 4dr 4x4 brings the perfect blend of bold capa...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GKS2HRL6SR164984
    Stock: G2552TA
    Certified Pre-Owned: No
    Listed since: 05-29-2025

    • 46,605 miles
    • No accidents, 1 owner, personal use only
    • 8 Seats, 15 City / 19 Hwy MPG
    • Mitch Hall Chevrolet Buick GMC (394 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Lamesa, TX / 394 miles away from Tyler, TX

    4WD. Priced below KBB Fair Purchase Price! Odometer is 20905 miles below market average!Cayenne Red 2022 GMC Yukon XL AT4 4WD 10-Speed Automatic with ...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    16 Combined MPG (15 City/19 Highway)

    Listing Information:

    VIN: 1GKS2HKL7NR189746
    Stock: 262739A
    Certified Pre-Owned: No
    Listed since: 05-15-2025

    • 97,175 miles
    • 1 accident, 1 owner, personal use only
    • 7 Seats, 14 City / 20 Hwy MPG
    • DFW Auto & Services (122 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Fort Worth, TX / 122 miles away from Tyler, TX

    We are Open Monday through Saturday 9 am to 7 pm and on Sunday closed ! We are located at 6801 Randol Mill Rd., Fort Worth Texas 76120 . Please call b...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    16 Combined MPG (14 City/20 Highway)

    Listing Information:

    VIN: 1GKS2HKJ6HR343236
    Stock: 343236
    Certified Pre-Owned: No
    Listed since: 12-21-2024

  • $75,988
    fair price
    $1,592 above market
    • 8,197 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 14 City / 18 Hwy MPG
    • Jake Sweeney Express (In-stock online)
    • Home delivery*
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Cincinnati, OH / 770 miles away from Tyler, TX

    Jake Sweeney Is Here to Help! If you are in need of a new or used vehicle, we are offering you the ability to shop online and have your vehicle delive...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    16 Combined MPG (14 City/18 Highway)

    Listing Information:

    VIN: 1GKS2JKL2RR157462
    Stock: D80072
    Certified Pre-Owned: No
    Listed since: 04-04-2025

  • Price Drop
    $31,995
    fair price
    $279 below market
    • 92,478 miles
    • No accidents, 2 owners, personal use only
    • 7 Seats, 15 City / 22 Hwy MPG
    • Mark Dodge Chrysler Jeep Ram (188 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Lake Charles, LA / 188 miles away from Tyler, TX

    Complete Detail, Ask about a FREE Vehicle History Report., 125 Point Service Inspection.Shop entirely from home. We'll even deliver to your door. Car ...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    18 Combined MPG (15 City/22 Highway)

    Listing Information:

    VIN: 1GKS1GKC9LR191346
    Stock: LR191346
    Certified Pre-Owned: No
    Listed since: 06-04-2025

  • New Listing
    • 14,398 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 14 City / 18 Hwy MPG
    • Kent Beck Motors (268 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Abilene, TX / 268 miles away from Tyler, TX

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    16 Combined MPG (14 City/18 Highway)

    Listing Information:

    VIN: 1GKS2JKL0RR388392
    Stock: 14816
    Certified Pre-Owned: No

  • Price Drop
    $34,990
    good price
    $2,564 below market
    • 104,675 miles
    • 2 accidents, 1 owner, personal use only
    • 7 Seats, 14 City / 23 Hwy MPG
    • Carvana (In-stock online)
    • Home delivery*
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Richmond, VA / 1,060 miles away from Tyler, TX

    At Carvana, we go miles beyond the extra mile. That's why we provide you with a convenient, fast, and hassle-free car buying experience that puts you ...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    17 Combined MPG (14 City/23 Highway)

    Listing Information:

    VIN: 1GKS1HKJ2LR107209
    Stock: 2003769409
    Certified Pre-Owned: No
    Listed since: 06-06-2025

  • Price Drop
    $74,905
    fair price
    $223 below market
    • 7,870 miles
    • 1 accident, 1 owner, personal use only
    • 7 Seats
    • Southwest GMC of Lawton (247 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Lawton, OK / 247 miles away from Tyler, TX

    2024 GMC Yukon XL AT4 4WD Luxury, Capability & Confidence for the Road AheadThis 2024 GMC Yukon XL AT4 in Summit White blends bold styling, off-roa...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GKS2HKL0RR348189
    Stock: BX00063
    Certified Pre-Owned: No
    Listed since: 04-06-2025

  • New Listing
    $35,638
    fair price
    $1,385 below market
    • 90,807 miles
    • No accidents, 1 owner, personal use
    • 7 Seats, 14 City / 21 Hwy MPG
    • Wilson GMC (286 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Stillwater, OK / 286 miles away from Tyler, TX

    Dark Sky Metallic SLT EcoTec3 5.3L V8 4WD CARFAX One-Owner. Bluetooth , 22 6-Spoke Split Chrome (LPO) Wheels, 3.08 Rear Axle Ratio, 3rd Row DVD Scree...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    16 Combined MPG (14 City/21 Highway)

    Listing Information:

    VIN: 1GKS2GKC8LR108695
    Stock: G04514A
    Certified Pre-Owned: No
    Listed since: 06-15-2025

  • $89,900
    fair price
    $679 above market
    • 11,463 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 14 City / 18 Hwy MPG
    • Glen Sain Cadillac (402 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Kennett, MO / 402 miles away from Tyler, TX

    Only 11,446 Miles! Scores 18 Highway MPG and 14 City MPG! This GMC Yukon XL delivers a Gas V8 6.2L/ engine powering this Automatic transmission. TRANS...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    16 Combined MPG (14 City/18 Highway)

    Listing Information:

    VIN: 1GKS2KKL8RR170674
    Stock: 1794A
    Certified Pre-Owned: No
    Listed since: 05-01-2025

  • New Listing
    Stock photo**
    • 196,260 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 14 City / 20 Hwy MPG
    • Pursch Motors (304 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Pleasanton, TX / 304 miles away from Tyler, TX

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    16 Combined MPG (14 City/20 Highway)

    Listing Information:

    VIN: 1GKS2HKJ9GR412399
    Stock: GR412399
    Certified Pre-Owned: No
    Listed since: 06-16-2025

  • Stock photo**
    $14,999
    fair price
    $1,784 below market
    • 183,582 miles
    • 1 accident, 3 owners, personal use
    • 7 Seats, 15 City / 22 Hwy MPG
    • Jeff Bryan Chevrolet (376 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Kiowa, KS / 376 miles away from Tyler, TX

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    18 Combined MPG (15 City/22 Highway)

    Listing Information:

    VIN: 1GKS2HKC6FR141852
    Stock: 141852
    Certified Pre-Owned: No
    Listed since: 05-07-2025

  • $26,000
    fair price
    $320 below market
    • 130,276 miles
    • No accidents, 2 owners, personal use only
    • 7 Seats, 14 City / 20 Hwy MPG
    • Lewis Chrysler Dodge Jeep Ram (269 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Fayetteville, AR / 269 miles away from Tyler, TX

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    16 Combined MPG (14 City/20 Highway)

    Listing Information:

    VIN: 1GKS2HKJ2HR295461
    Stock: HR295461
    Certified Pre-Owned: No
    Listed since: 06-01-2025

    • 59,807 miles
    • No accidents, 1 owner, rental vehicle
    • 7 Seats, 14 City / 19 Hwy MPG
    • Shottenkirk Toyota San Antonio (268 mi away)
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    • Third-row seating
    • Upgraded Headlights
    Close

    Located in San Antonio, TX / 268 miles away from Tyler, TX

    CARFAX One-Owner. 14 Speakers, 15" Diagonal Multi-Color Head-Up Display, 2 Presets For Outside Rearview Mirrors, 3 Years of GMC Connected Services, 3 ...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: No

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    16 Combined MPG (14 City/19 Highway)

    Listing Information:

    VIN: 1GKS1JKL8PR219592
    Stock: PRG0160
    Certified Pre-Owned: No
    Listed since: 04-01-2025

  • $58,791
    fair price
    $885 below market
    • 53,390 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 14 City / 18 Hwy MPG
    • Jackie Cooper Nissan (260 mi away)
    • AWD/4WD
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Tulsa, OK / 260 miles away from Tyler, TX

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    16 Combined MPG (14 City/18 Highway)

    Listing Information:

    VIN: 1GKS2JKL4PR158626
    Stock: R158626B
    Certified Pre-Owned: No
    Listed since: 02-06-2025

  • New Listing
    $39,582
    fair price
    $1,186 below market
    • 78,372 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 14 City / 20 Hwy MPG
    • Orr Nissan Fort Smith (214 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Fort Smith, AR / 214 miles away from Tyler, TX

    This 2019 GMC Yukon XL Denali, has a Crimson Red Tintcoat exterior and an Cocoa/Shale interior color. 78372 miles. Stock Number 135565A. You can conne...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    16 Combined MPG (14 City/20 Highway)

    Listing Information:

    VIN: 1GKS2HKJ0KR204923
    Stock: 135565A
    Certified Pre-Owned: No
    Listed since: 05-24-2025

Showing 799 - 819 out of 1,512 listings

Consumer Reviews for the GMC Yukon XL

Read recent reviews for the GMC Yukon XL
Overall Consumer Rating
4.5 out of 5 stars61 Reviews
Write a vehicle reviewSee all 61 reviews
  • 5 star
    (69%)
  • 4 star
    (23%)
  • 3 star
    (8%)
  • 2 star
    (0%)
  • 1 star
    (0%)
5 out of 5 stars

Vortec 6.0 is AMAZING! LOVE This Denali XL.

Barry Gartner, 11/29/2015
2005 GMC Yukon XL 1500 SLE Rwd 4dr SUV (5.3L 8cyl 4A)
The Denali XL is everything you need to get your family up to the Cabin, tow your toys, and more. This vehicle is hands down the best vehicle I have ever owned. It is smooth, powerful, comfortable, and has AWD for towing my Ice-House, Boat, Snowmobiles, and ATV's. The Denali has the Vortec 6.0 but this is essentially the same engine as the 5.3. My Vortec 6.0 has 232,948 miles and does … not burn oil between changes. I have had to perform repairs on this vehicle which I will list but most of them were only after 200,000 and well worth the investment. These vehicles will easily go 400,000 with routine maintenance. Maintenance & Tips: **TIP 1** Buy a blue tooth OBD2 adapter online for $20 and then get the Torque App for your iPhone/Android to monitor/trouble-shoot data and reset error codes. **TIP 2** Change the fluids on this truck regularly. It will pay off in the long run. These trucks will last FOREVER. You can do both the front differential, rear differential, and transfer case very easily/cheap. The same goes for the transmission but that takes about 17 quarts and isn't exactly cheap to do a total flush but it is much cheaper than a whole new transmission. **TIP 3** Search Online for videos for trouble-shooting and repair. I guarantee you will find out how to do many of these repairs yourself/cheap. 1. Transmission may go around 200,000 miles = $3,700 to repair. 2. Rear Air Suspension will go around the same time = $800 to $2,700/Dealer to repair. You do not have to put the Air Suspension rear back in/Kit Replacement. I however Love the air suspension for towing, etc. 3. Passenger Side leak into Heater Blower Motor. This shorts out the Fan. Easy fix, take off the wipers and the plastic grate between the windshield and the hood. There is an oval metal plate with cracked brittle caulk. Reseal this or put another bigger metal plate over this with caulk. TIP: Pull out the wet metal heat sink heater fan control module and dry it out. It will come back to life. No need to spend money on this. 4. DON"T spray off this engine at the Self-Serve Car Wash. Water on the top side will drain down and short out the anti-knock sensors on the top of the intake and you will start throwing codes. I had to replace both (2) anti-knock sensors and the wire harness. 5. The intake gasket will need to be replaced at some point if it has not been already. It will throw lean bank 1 or 2 codes when it is time to replace. I think the original was green and the replacement is orange and a better design. Easy fix, just take your time to do it right. 6. If you start to get a random misfire code when it is hot/towing that only happens when you stop it is the front O2 Sensor. Easy fix. Get on the ground and do it yourself. They sell a cheap tool to remove/replace these. 7. Low Oil Pressure when first started cold. Some of these engines will lose oil pressure when first started COLD. Then as the engine warms the oil pressure will come up to normal. That is your clue. A rubber ring in the oil pickup tube has become brittle and cracked. When it warms up it expands and your oil pressure comes back to normal. FIX: Bring this to a shop with some good old boys who are not afraid of a little work. The front differential can be dropped with two people and a hoist in about 20 minutes/intact. This will grant access to drop the oil pan which has to be removed to get to the oil pump pickup tube so that the rubber o-ring can be replaced. $350 - $550 to repair. Don't take it to the dealership for this one. They will want 1K to fix this and it isn't that hard to do. FINAL TIP: Don't be afraid to work on this vehicle. I have performed every repair on this besides the o-ring replacement and the transmission. Working on this has saved me thousands of dollars and prevented me from having to fork out another 50k for a new vehicle. Don't believe for one second that a new GMC truck with the 6.2 is the answer. People are buying these and having oil burning issues from the factory. Not to mention transmission issues, etc. Newer isn't always better. I for one will be driving my 2005 GMC Denali XL for many years to come. Sincerely, Barry G
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