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  1. J

    Solved- 5.3 Vortec P0300 & P0302 - 2013 Tahoe

    I do want to add... Just so no one thinks that they caused other issues... It is very likely that you will get a P0219a or P0219b code and the check engine light after completing this process. Mainly because the cleaning solvent burns with the fuel immediately after and gives your O2 sensors a...
  2. J

    Solved- 5.3 Vortec P0300 & P0302 - 2013 Tahoe

    It was actually Seafoam Top Engine and Valve Cleaner, it was around $19. It came with a skinny straw and an elbow to get around the corner of the throttle body intake tube. You have to get your engine to running temperature and then idle it at 2000 rpms while introducing the cleaning spray into...
  3. J

    Solved- 5.3 Vortec P0300 & P0302 - 2013 Tahoe

    I have a 2013 Tahoe LS with 190000 miles on it. I started out with an intermittent rough idle. Very quickly it went to a P0300 and then to a P0302. My exhaust was to rich.My traction control and stability were both off. I had rough shifting and a check engine light. I already planned on a tune...
  4. J

    Can't Figure Out How To Program New Key Fob 2013 Tahoe LS

    What exactly does the top accomplish if it's not a ticket science equation? Lol. So is this something an OBD2 could do it an I in the wrong line of thought?
  5. J

    Remote/Keyless Entry Again - Pairs with Launch Scanner, no response from door locks

    Just a shot in the dark but usually the receiver for the fob is in the passengers door I've heard. Is it possible that the battery might just be strong enough to get a signal received when you pair it because your in the car and the signal not going through metal? Try standing outside your...
  6. J

    Can't Figure Out How To Program New Key Fob 2013 Tahoe LS

    I have the year right on the middle where they went from the "hold the drivers door unlock button" and it being on my information center. I've tried the old method that worked on my 2005 but it didn't work and the is nothing about programming or adding a key fob in my information center. Any...
  7. J

    I was told that I must have a broken valve spring...

    The plugs all seemed fine. They were all the same. I did start with changing the O2 sensors. I'm going to pull the valve cover tomorrow and will let you know. I've seen videos where people are doing compression tests and they say how many cranks they do to get a certain psi. I'm not mechanically...
  8. J

    I was told that I must have a broken valve spring...

    I started getting a random misfire code (P300) on my 2013 Tahoe LS 5.3. It then turned into a misfire on cylinder #2 (P302). I changed all the plugs and wires figuring it was probably due for a tune-up. Of coarse I bought OEM Delco Irridium plugs and good wires. No change, so I paid a "mechanic"...
  9. J

    2013 Tahoe LS P0300 code

    I am actually going to get the AlldataDIY. Thank you. I also posted any info that I thought might help. You mentioned the 2 digit"cause" code???? Do you see that code on my screen shots?
  10. J

    2013 Tahoe LS P0300 code

    Also I wanted to mention that after reading way to much on this subject that I suggested to the mechanic the last time that I saw him that it could possibly be (1) a bad or going bad catalytic converter (2) a damaged or broken valve spring which isn't closing the valve so the way (exhaust or...
  11. J

    2013 Tahoe LS P0300 code

    Let me know if anything else is needed. Thank you
  12. J

    2013 Tahoe LS P0300 code

    I apologize in advance if any of these pics are redundant. Keep in mind I only paid $20 for my little ODB2 scanner and the full app was only $10. Although it will tell you everything that my mechanic buddy's computer will. With the exception of the misfire count for each cylinder. BTW I had him...
  13. J

    2013 Tahoe LS P0300 code

    It is an app on my phone. I have just realized with the full paid version of this app that I can add items to my dash board and watch live data. I I'll check that out and get back to you. I have a "mechanic" bringing over his scanner tomorrow and will share that info. I would be willing to bet...
  14. J

    Every so often 1st gear slips

    Thank you for the advice. I am used to the old 4L60, this thing looked a bit intimidating at first glance. Kitchen table huh? I'll give that a shot. I Thank you
  15. J

    2013 Tahoe LS P0300 code

    I have a 2013 Tahoe LS that I've owned for about 8 months. When I bought this Tahoe it had a rough intermittent idle. I put a scanner on it, an inexpensive OBD2 and it said that the O2 sensor at bank 1 sensor 2 had a problem, so I changed it. Shortly there after I got a code that there was an...
  16. J

    Every so often 1st gear slips

    I guess it could be a delayed up shift
  17. J

    Every so often 1st gear slips

    I have a 2013 Chevy Tahoe LS., When I'll be at a dead STOP, at a traffic light etc. I'll ease off the break pedal and start accelerating and my transmission slips and then by the time I realize it's happening my RPMs are a bit higher than desired to be shifting into first gear and I get the jolt...
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