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  1. EcoTec 5.3L V8
    2017 5.3L Silverado. In the last 6 months, it has happened 4 times where it tries to start, cranks, but will not start. Try again, and it will fire up. This usually happens after it has been sitting for a couple hours or more. It will crank longer than it should sometimes and can be hard to...
  2. Vortec 5300 5.3L V8
    I have a extended cab 4x4 2000 Silverado 1500 LS 5.3 4l60e. I recently bought it from a buddy and it had been sitting a long time due to fuel pump being out. I dropped tank and realized tank was full of trash so replaced the tank and pump both brand new and went ahead and did filter too. Now...
  3. Vortec 5300 5.3L V8
    Hi, I have had a check engine come on few weeks ago and I took the truck to a couple of mechanics for diagnosis. I got a code “P069E” and ”P0231” I was told that the fuel pump control module needs to be replaced. I ordered the part pre-programmed using the VIN through Garrett Tuning, which I...
  4. Vortec 5300 5.3L V8
    I have a 2010 GMC Sierra with a 5.3 that has around 130,000 miles on it. Engine was rebuilt almost two years ago by a certified GM mechanic due to lifter failure. I have been having the issue for most of this winter of the engine not wanting to start once it has sat for more than a few hours. It...
  5. Vortec 6000 6.0L V8
    I have a 2017 silverado 2500 WT crew cab long bed. it has the 6.0 flex fuel engine..Im getting a P2635 and p069e. The truck seems to be getting worse spitting and sputtering , and my mpg seems to be dropping a little. I f i dont clear the codes they will clear themselves, or atleast the light...
  6. Vortec 5300 5.3L V8
    So, I have an issue that may stump some of you because it most definitely has me scratching my head. I have a 2000 Silverado with a 5.3 vortec in it and I’ve been having a hard time cranking it. 99% of the time, it won’t start on the first crank but every time on the second it fires right up...
  7. EcoTec 5.3L V8
    I have a 2017 Silverado with the 5.3 EcoTec, approximately 81,500 miles. I'll be dropping it off at the dealership tomorrow for diagnostics (which I don't expect much of a result from), but wanted to get some opinions from other owners. No codes, starting / drivability issues or anything of the...
  8. Vortec 6000 6.0L V8
    I am sure this is a issue which has been beat to death and yet here I am still trying to fix this issue. I have followed one of posts which was very informative. I had a shop at temp to replace the fuel pump assembly ( I assumed it had the level sensor) and they said it still did not fox the...
  9. Vortec 5300 5.3L V8
    Recent replaced fuel pump due to what I assumed was a fuel pump going bad because of a high pitched whine that has progressively gotten worse and started out low pitched and then surged getting louder before recycling and doing the same over and over. After replacing the pump the truck fired...
  10. Engine
    Truck is a 1998 Silverado 3500. 300k+ miles. Guy I got it from had left it sitting for about 18 months. The truck tries to crank for an average of about 5 seconds before it stops turning over. Yesterday I replaced the fuel pump and fuel filter. Its been replaced before, several times...
  11. Electrical
    2011 Silverado 1500 4.8 A little back story, truck had a slight electrical burn to the fuse box near the starter, powertrain relays. Reason was unknown for sure, but truck had the ignition off but cel was still on. Pulled the fuse box and founds loads of dielectric grease on the...
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