engine

  1. C

    Vibrating/Grinding Noise from top of engine

    I have an 07 Tahoe 5.3L V8, and about a month ago I started noticing a quiet noise when slowing down to a stop, when the engine returned to idle, for a brief second it sounded as though maybe a pulley was bad or AC clutch not disengaging all the way. As two weeks passed, it started lasting...
  2. NE-KID

    Engine additives, fuel treatment and oil

    What do you guys and ladies use? I use ZMAX fuel and oil I tried some of the other brands like Lucas and etc I like ZMAX works really well and never failed me.
  3. A

    Please help

    I own an 02 Tahoe 2wd. I was driving to work and less than 100yrds there I lose power at the accelerator I’m barely chugging along and my truck sounds like a combination of backfiring and popcorn popping when I press the accelerator. I made it to work parked and on idle reving the engine...
  4. O

    2004 GMC Yukon - Suspension and Engine Rebuild Help!

    Hi guys, I have a 2004 GMC Yukon with 275k+ original miles. I am looking to replace the front and rear suspension components. I have been looking at the Bilstein Shocks for my truck and I have heard positive reviews. What do you guys suggest I should be getting for both the front and rear...
  5. J

    P0300, Service stabilitrack and rough idle.

    I’m at a loss. I have a 2011 Tahoe z71 that we purchased a month ago. Truck has 165k miles. It started running rough at idle and seemed to be getting bad fuel mileage. On cold starts it seems to run great and after warming up it gets a slight rough idle. Seems to lighten up when placed in park...
    • Joe W
    • Thread
    • engine idle misfire p0300 performance rough idle stabilitrak tahoe voltage z71
    • Replies: 4
    • Forum: Engine & Drivetrain
  6. DJPoertsch

    Engine Light comes on with 5 DTC's at the same time. I don't know what i Could be. Need Help!

    Dear friends here from the forum. I'm a little desperate. I have had the engine indicator light on the display for a long time. I have read out the control unit and now have the following error codes P0064 P0060 P0420 P0430 p0446 On the picture only P0420 is seen. But I always get the P0430...
  7. T

    Oil not showing full on dipstick until 9 qts. were put in

    Hi all, I've got a 2004 Tahoe LT with the 5.3L. Recently I took it in for an oil change at a jiffy lube or something similar (I know I know, but I needed it done quick). They gave me the car back and were asking me if I had the 5.3 in it and if I had an aftermarket oil pan or something. I told...

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