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  • $3,500
    good price
    $791 below market
    • 241,802 miles
    • 1 accident, 3 owners, personal use
    • 8cyl automatic
    • Corwin Toyota of Bellevue (Bellevue, NE)
    • AWD/4WD
    • Leather Seats
    • Third-row seating
    • Power Driver Seat
    • Tire Pressure Warnin...
    Close

    Located in Bellevue, NE / 985 miles away from Ashburn, VA

    Everyone can ride in style with our 2005 GMC Yukon XL SLE 4X4 styled in a Cadet Blue Metallic exterior finish. Powered by a 5.3 Liter Vortec V8 that d...

    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:

    14 Combined MPG (13 City/17 Highway)

    Listing Information:

    VIN: 1GKFK16Z65J240367
    Stock: 3240367
    Certified Pre-Owned: No
    Listed since: 12-14-2024

  • $4,999
    good price
    $1,363 below market
    • 189,866 miles
    • No accidents, 5 owners, rental vehicle
    • 8cyl automatic
    • GT Motors Portland (Portland, OR)
    • AWD/4WD
    • Leather Seats
    • Third-row seating
    • Power Driver Seat
    • Tire Pressure Warnin...
    Close

    Located in Portland, OR / 2,317 miles away from Ashburn, VA

    Runs and drives great Clean title Clean interior No major dings or dents! Tons of service history Clean inside and out! Carfax available! Financing av...

    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:

    14 Combined MPG (13 City/17 Highway)

    Listing Information:

    VIN: 1GKFK16ZX5J102234
    Stock: 102234
    Certified Pre-Owned: No

  • New Listing
    • 227,528 miles
    • 1 accident, 3 owners, personal use only
    • 8cyl automatic
    • Corwin Ford Nampa (Nampa, ID)
    • AWD/4WD
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    • Third-row seating
    Close

    Located in Nampa, ID / 2,030 miles away from Ashburn, VA

    Introducing our 2004 GMC Yukon XL Denali AWD shown off in Fine Silver Birch Metallic. Powered by a 6.2 Liter V8 that offers 380hp while connected to a...

    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:

    13 Combined MPG (12 City/16 Highway)

    Listing Information:

    VIN: 1GKFK66U64J241714
    Stock: 2241714
    Certified Pre-Owned: No
    Listed since: 12-30-2024

  • New Listing
    • 268,391 miles
    • 8cyl automatic
    • The Car Exchange (Virginia Beach, VA)
    • Leather Seats
    • Sunroof/Moonroof
    • Third-row seating
    • Power Driver Seat
    • Tire Pressure Warnin...
    Close

    Located in Virginia Beach, VA / 172 miles away from Ashburn, VA

    2004 GMC YUKON XLThis one has some miles but looks and runs goodCLEAN CARFAX, NO ACCIDENTS, ONLY 3 OWNERSPriced to sellThis one has 3 Rows of nice tan...

    AutoCheck Vehicle History Summary Unavailable.

    Features and Specs:

    14 Combined MPG (13 City/17 Highway)

    Listing Information:

    VIN: 3GKEC16Z34G274985
    Stock: 274985mt
    Certified Pre-Owned: No

  • $3,495
    great price
    $2,060 below market
    • 204,957 miles
    • No accidents, 4 owners, personal use only
    • 8cyl automatic
    • Luxury Auto Groups (Detroit, MI)
    • AWD/4WD
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    • Third-row seating
    Close

    Located in Detroit, MI / 377 miles away from Ashburn, VA

    Supreme Motor Groups is pleased to offer 2005 GMC YUKON XL DENALI VIN: 1GKFK66U55J138849, this vehicle is powered by 6.0L V8 F ALL WHEEL DRIVE. This v...

    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:

    13 Combined MPG (12 City/16 Highway)

    Listing Information:

    VIN: 1GKFK66U55J138849
    Stock: 138849
    Certified Pre-Owned: No
    Listed since: 01-12-2025

  • Price Drop
    $5,994
    great price
    $2,447 below market
    • 187,056 miles
    • 1 accident, 2 owners, personal use only
    • 8cyl automatic
    • DealHunter Autos (Stafford, VA)
    • AWD/4WD
    • Back-up camera
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Stafford, VA / 37 miles away from Ashburn, VA

    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:

    15 Combined MPG (13 City/19 Highway)

    Listing Information:

    VIN: 1GKFK66847J328681
    Stock: 328681WS
    Certified Pre-Owned: No

  • $8,525
    good price
    $2,080 below market
    • 127,217 miles
    • No accidents, 2 owners, corporate fleet vehicle
    • 8cyl automatic
    • Petra Auto Sales (Bellflower, CA)
    • AWD/4WD
    • Leather Seats
    • Third-row seating
    • Power Driver Seat
    • Tire Pressure Warnin...
    Close

    Located in Bellflower, CA / 2,268 miles away from Ashburn, VA

    The 2005 GMC Yukon is completely redesigned. Interior materials quality is dramatically improved, and the Yukon now has cleaner exterior styling, more...

    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:

    13 Combined MPG (12 City/16 Highway)

    Listing Information:

    VIN: 1GKFK66U25J110328
    Stock: 5J110328
    Certified Pre-Owned: No
    Listed since: 01-12-2025

  • $5,539
    fair price
    $473 below market
    • 292,800 miles
    • No accidents, 3 owners, personal use only
    • 8cyl automatic
    • Parkway Auto Center (Deer Park, WA)
    • AWD/4WD
    • Third-row seating
    • Power Driver Seat
    • Tire Pressure Warnin...
    • Multi-Zone Climate C...
    Close

    Located in Deer Park, WA / 2,071 miles away from Ashburn, VA

    Hop into this sleek Silver 2005 GMC Yukon XL and get ready for an adventure! With its 4WD/AWD capabilities, you'll be driving with confidence on any 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: Yes

    Features and Specs:

    14 Combined MPG (13 City/17 Highway)

    Listing Information:

    VIN: 1GKFK16Z15J191790
    Stock: 30798
    Certified Pre-Owned: No

  • $5,990
    good price
    $1,401 below market
    • 222,664 miles
    • 1 accident, 2 owners, personal use only
    • 8cyl automatic
    • Twin Motors (Madison, OH)
    • AWD/4WD
    • Back-up camera
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Madison, OH / 266 miles away from Ashburn, VA

    This 2007 Yukon Denali has a lot of life left. The 6.2 v8 is a capable and strong motor, the transmission shifts great. Typically when we get trade...

    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:

    15 Combined MPG (13 City/19 Highway)

    Listing Information:

    VIN: 1GKFK66807J307701
    Stock: 3023a
    Certified Pre-Owned: No
    Listed since: 10-09-2024

  • New Listing
    $6,759
    fair price
    $337 below market
    • 127,301 miles
    • No accidents, 1 owner, personal use only
    • 8cyl automatic
    • DSA (Glenwood, MN)
    • AWD/4WD
    • Third-row seating
    • Power Driver Seat
    • Tire Pressure Warnin...
    • Multi-Zone Climate C...
    Close

    Located in Glenwood, MN / 1,018 miles away from Ashburn, VA

    At DSA Inc, we offer a carefully selected selection of reliable and affordable vehicles sourced exclusively from franchise dealerships-not auctions. E...

    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:

    14 Combined MPG (13 City/17 Highway)

    Listing Information:

    VIN: 3GKFK16Z95G190243
    Stock: 190243
    Certified Pre-Owned: No
    Listed since: 01-22-2025

  • $8,995
    fair price
    $491 below market
    • 154,340 miles
    • No accidents, 1 owner, personal use only
    • 8cyl automatic
    • Auto Trade Center (Santa Cruz, CA)
    • AWD/4WD
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    • Third-row seating
    Close

    Located in Santa Cruz, CA / 2,404 miles away from Ashburn, VA

    GMC YUKON DENALI XL AUTOMATIC ONE OWNER ALL WHEEL DRIVE.RUNS GREAT.A REAL FAMILY SUV WITH LOTS OF ROOM FOR PASSANGERS AND YOUR LAGUAGE.EVERYTHING SEEM...

    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:

    13 Combined MPG (12 City/16 Highway)

    Listing Information:

    VIN: 1GKFK66U05J233254
    Stock: 7510
    Certified Pre-Owned: No
    Listed since: 07-31-2024

  • $3,996
    fair price
    $240 below market
    • 203,747 miles
    • 2 accidents, 3 owners, personal use only
    • 8cyl automatic
    • Mt Morris Auto Sales (Mt Morris, MI)
    • AWD/4WD
    • Third-row seating
    • Power Driver Seat
    • Tire Pressure Warnin...
    • Multi-Zone Climate C...
    Close

    Located in Mt Morris, MI / 428 miles away from Ashburn, VA

    Even if you don't need its maximum seating or towing capacities, the Yukon shines on enough levels to satisfy the needs and tastes of almost any full-...

    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:

    14 Combined MPG (13 City/17 Highway)

    Listing Information:

    VIN: 1GKFK16Z35J179284
    Stock: 179284
    Certified Pre-Owned: No
    Listed since: 10-20-2024

  • $8,995
    fair price
    $462 above market
    • 166,610 miles
    • 2 accidents, 2 owners, personal use only
    • 8cyl automatic
    • Kneezle Auto Sales (Saint Louis, MO)
    • AWD/4WD
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    • Third-row seating
    Close

    Located in Saint Louis, MO / 691 miles away from Ashburn, VA

    This 2005 GMC YUKON XL DENALI is a very nice truck with only 166,610 miles. According to this app it has 73 out of 79 options. The interior is nice ex...

    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:

    13 Combined MPG (12 City/16 Highway)

    Listing Information:

    VIN: 1GKFK66U35J245267
    Stock: 245267
    Certified Pre-Owned: No
    Listed since: 07-13-2024

  • Price Drop
    $16,879
    fair price
    $1,431 above market
    • 75,982 miles
    • 1 accident, 2 owners, personal use
    • 8cyl automatic
    • Crest Cadillac (Brookfield, WI)
    • AWD/4WD
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    • Third-row seating
    Close

    Located in Brookfield, WI / 618 miles away from Ashburn, VA

    2005 GMC Yukon XL Denali AWD. Odometer is 112880 miles below market average! The Crest Cadillac Staff is proud to offer first rate reconditioning on a...

    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:

    13 Combined MPG (12 City/16 Highway)

    Listing Information:

    VIN: 1GKFK66U55J203988
    Stock: 24781B
    Certified Pre-Owned: No
    Listed since: 12-20-2024

    • 224,833 miles
    • No accidents, 2 owners, personal use only
    • 8cyl automatic
    • Real Steal Auto Sales (Gastonia, NC)
    • AWD/4WD
    • Back-up camera
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Gastonia, NC / 332 miles away from Ashburn, VA

    Total Price is Listed at $9,995 for financing purposes! Excludes Tags, Taxes, and Title Fees! *$1500-3500+ Down Payment!* $150-175+ a week guaranteed ...

    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:

    15 Combined MPG (13 City/19 Highway)

    Listing Information:

    VIN: 1GKFK66827J364613
    Stock: 12692
    Certified Pre-Owned: No
    Listed since: 10-01-2024

    • 161,236 miles
    • No accidents, 1 owner, personal use only
    • 8cyl automatic
    • TM Motors (Riverside, CA)
    • Leather Seats
    • Third-row seating
    • Power Driver Seat
    • Multi-Zone Climate C...
    • Auto Climate Control
    Close

    Located in Riverside, CA / 2,231 miles away from Ashburn, VA

    2003 GMC Yukon XL SLT Very Well Maintained ** Excellent Condition, 5.3L, Automatic, 3rd Row Seating, ABS, Climate Fual F&R A/C, Leather Seats, P...

    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:

    14 Combined MPG (13 City/17 Highway)

    Listing Information:

    VIN: 3GKEC16T63G170369
    Stock: 0369
    Certified Pre-Owned: No
    Listed since: 08-03-2024

  • New Listing
    • 243,440 miles
    • No accidents, 5 owners, corporate fleet vehicle
    • 8cyl automatic
    • Kendall Toyota Of Bend (Bend, OR)
    • AWD/4WD
    • Third-row seating
    • Power Driver Seat
    • Tire Pressure Warnin...
    • Multi-Zone Climate C...
    Close

    Located in Bend, OR / 2,266 miles away from Ashburn, VA

    Clean CARFAX. Steel Gray Metallic 2007 GMC Yukon XL SLE 1500 4WD 4-Speed Automatic with Overdrive Vortec 5.3L V8 SFI Flex Fuel 4WD, ABS brakes, Alloy ...

    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: 1GKFK16387J168313
    Stock: XZ46029B
    Certified Pre-Owned: No
    Listed since: 11-06-2024

    • 179,174 miles
    • No accidents, 3 owners, personal use only
    • 8cyl automatic
    • BM Motors (Modesto, CA)
    • Third-row seating
    • Power Driver Seat
    • Tire Pressure Warnin...
    • Multi-Zone Climate C...
    • Alarm
    Close

    Located in Modesto, CA / 2,337 miles away from Ashburn, VA

    Cash price: $5,999 Finance Price: $6,999 FOR MORE INFORMATION CONTACT BM MOTORS INC (2**) 5**-8*** https://www.modestobmmotors.com/

    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:

    15 Combined MPG (13 City/18 Highway)

    Listing Information:

    VIN: 3GKEC16Z85G224181
    Stock: 224181
    Certified Pre-Owned: No
    Listed since: 12-21-2024

    • 97,860 miles
    • No accidents, 1 owner, personal use only
    • 8cyl automatic
    • Triple Crown Auto Sales (Roseville, CA)
    • Leather Seats
    • Sunroof/Moonroof
    • Third-row seating
    • Power Driver Seat
    • Tire Pressure Warnin...
    Close

    Located in Roseville, CA / 2,333 miles away from Ashburn, VA

    More Info FOLSOM... THIS VEHICLE IS LOCATED AT OUR FOLSOM LOCATION, PLEASE CALL TO VERIFY BEFORE ARRIVING (9**)9**-6***

    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:

    15 Combined MPG (13 City/18 Highway)

    Listing Information:

    VIN: 3GKEC16Z95G151841
    Stock: 34570
    Certified Pre-Owned: No
    Listed since: 09-06-2024

    • 256,967 miles
    • 1 accident, 7 owners, personal use only
    • 8cyl automatic
    • Herman Jenkins Motors (Union City, TN)
    • AWD/4WD
    • Leather Seats
    • Sunroof/Moonroof
    • Third-row seating
    • Power Driver Seat
    Close

    Located in Union City, TN / 659 miles away from Ashburn, VA

    Outstanding design defines the 2005 GMC Yukon XL 1500! This is a superb vehicle at an affordable price! Top features include cruise control, front fog...

    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: Yes

    Features and Specs:

    14 Combined MPG (13 City/17 Highway)

    Listing Information:

    VIN: 3GKFK16Z95G285255
    Stock: 175163
    Certified Pre-Owned: No
    Listed since: 12-15-2024

    • 207,424 miles
    • 1 accident, 6 owners, personal use only
    • 8cyl automatic
    • American Eagle Auto Sales LLC (Phoenix, AZ)
    • AWD/4WD
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    • Third-row seating
    Close

    Located in Phoenix, AZ / 1,957 miles away from Ashburn, VA

    With room for up to nine passengers, gutsy V8 engines and numerous passenger amenities, the Yukon is a full-featured family sport-ute that's tough to ...

    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:

    13 Combined MPG (12 City/16 Highway)

    Listing Information:

    VIN: 1GKFK66U25J205469
    Stock: 205469
    Certified Pre-Owned: No
    Listed since: 03-22-2023

Showing 1 - 21 out of 6,129 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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