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FishinDVM

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  1. I have gone through injector hell now, twice. And that was with frequent oil changes, 93 octane, and no V4/AFM mode. They really need to have a class action, like they did on the older equinox for "excessive oil consumption." Just a misfire alone would make me think it's the injectors ON THESE VEHICLES... the p050d makes it almost a guarantee. Of course injectors SPECIFICALLY are not covered under the 5yr/100k warranty, and of course they lowered the warranty on newer vehicles to boot.
  2. Hey guys, 2014 1500 SLT A/T Sierra 5.3L L83. Last year (exactly 11 months ago) I was one of the people who started a thread on "add me to the fuel injectors list." I had 2 fuel injectors go at 87K miles. First is was a p050d and p0308, then the p0307 came. But the NON AFM was worse, cylinder 8 that is. So, I did a million things first (MAF, new coils, new plugs, etc) couldn't fix it... so to the dealership. They tell me needed 2 fuel injectors replaced (#7 and #8). Far more misfires on number 8 btw. So, I thought it would be covered, I was under 5yr/100k... but fuel injectors are specifically listed as not covered. I figure while there, just do all eight so I dont have to do this again. WRONG! Now ever since that was done, I occasionally get a smell in the cab that is like a mix between gas, oil, exhaust... but I cant pinpoint it as exactly being either one of those, and its not all the time. I notice it sometimes at start up or idle. I had the local mechanic check for vacuum leaks and exhaust leaks upfront near the manifold and he said it was fine. I had no codes, no low oil, all fluids perfect... but every now and then I'd smell it. Fast forward in time... all was good for 11 months, now here I am last week, 12K later, at 98,900 miles. I get a p0308 and a p2099 (post cat rich trim bank 2). I hate the chevy dealership, so I take it to my mechanic to quickly rule out all the simple things, which he does, and tells me unfortunately he thinks its going to be involved (lifter, cylinder, fuel injector). So he told me to head to a local shop that strictly does engine work and was highly recommended by a few people I know. End story, they get the valve covers off and see the underside cover over #8 is all stained so what I was smelling occassionally was an oil/fuel mix being burnt... not a ton, but there. After taking the fuel injector rails off he calls me up. The #8 for lack of better words looks F***ed up, corroded, carbonized, discolored. The seals are either never there, broken off, corroded apart, whatever... but missing. He wasnt there when the chevy dealer replaced them last year. The problem he said, is that THE HOLE THE INJECTOR GOES INTO IS NOT SMOOTH. He says there is a ton of carbon build up in there, and he cant tell if its simply horrible carbon build up, or the metal itself is pitted, but if he tries to slide a new injector in, it hits resistance and the seals get all scraped up. He tried to clean out the hole with a bore brush per my request but to no success, it just wont accept an injector smoothly. So he gives me a zillon options. He could force another injector in there and send me on my way (and yes its much cheaper than what the dealership charged) but since the seals likely wont seal 100%, I may have this issue again on the way home, 2 months, 10 months, who knows. I could go back to chevy under the assumption that whoever replaced it 11 months ago just didnt give a damn and jammed the injector in there and called it a day, but how can this actually be proven? and I may be paying a 3rd time to open everything up only to enter a financial/lawyer battle with GM. He said he could take the heads and everything apart, but its a ton of labor time in a 98K motor. Or we could swap out the engine, which sounds drastic, but add up the cost of possibly doing this a third time and you're already there... and the rest of the truck (besides engine carbon) is perfectly fine. I told him to make some calls just to see what was available and cost. Two engines nearby, one was a 2018 with 21K on it. Everything total would be $5200 engine, labor, and obviously what they did so far would roll in towards that assuming thats the way I wanted to go. I know people can walnut blast the back of valves and such, but can the injector ports be adequately smoothed out, and is taking it apart and having someone do all that really worth it? Is there a difference between the 2014 5.3 and the 2018 5.3??? Did GM change anything, like injector model for instance? What would you do at this point? FYI... to be honest with you all... up til 55K miles I did oil changes with 0W20 mobil 1 full synth every 5k, ran 87 octane, occasionally let it go into v4, and did not run a catch can. After learning better, I started doing oil changes more frequently 3-4k, used 93 octane, M5 only, and an occasional Techron fuel inj cleaner in gas and still had this happen... but I came late to the party obviously. If I do go the engine swap route, I'll also add in the catch can to say I did everything I could going forward. Anyhow, thoughts guys? I got til Tues morn to take a plan of action. Thanks, Chris
  3. I have this code now, truck is in a local shop at this moment. Guy says a few of the injectors look bad. I JUST HAD ALL EIGHT INJECTORS REPLACED BY THE GMC DEALERSHIP 10 MONTHS AGO!!! WTF.
  4. Hey Prem, can you elaborate on what you think the previous mechanic did?, and why you feel the injectors had to be replaced after you only did them just 1 year ago??? I just posted a new thread and saw this... but here is my copy and text: Ok, so 2014 GMC Sierra SLT 5.3L L83. I *HAD* a p050d, and a misfire on cylinder 8 primarily, followed by cylinder 7 also. THIS WAS BACK IN JULY LAST YEAR, 2019, at 87K. I cleaned MAF, throttle body, replaced all plugs and coils, and did a 3 part BG cleaning for carbon deposits... none of which helped that situation. Had to go in to the dealership... I was under 100K miles and under 5 years, by 3 months... they didnt care as injectors are NOT covered under powertrain. They helped me with nothing. Bite the bullet, they said 7 and 8 are bad, I had them replace all eight injectors since we are there. SO HERE WE ARE TEN MONTHS LATER!!! All was going well, I do mobil 1 full synthetic 0w-20 every 3k, I use ONLY 93 octane, I do a Techron fuel cleaning additive around every oil change, and I never allow the vehicle to go into AFM/V4. Three days ago I get a p2099 (post cat fuel trim rich bank 2). The following day a misfire p0308 on cylinder 8. I hate the chevy dealer, so I take it to a highly recommended engine shop nearby. They did all the small stuff first, not the problem. Then they get down to it, and find the fuel injectors, especially #8 (the worst one last time, NON AFM) look like crap. Stained, corroded, carbonized... He called me just now to tell me they look horrible AND when removing the injector rail, there are no seals underneath on that side. They are about to check out the drivers side and then call me again. Seals are either worn, gone, missing, fell apart, whatever... that also explains the staining under the cover and the burnt oil/gas smell I notice in the cab that I get at startup or when idling. So.... any ideas as to underlying cause??? Its been under a year and 11k miles since injectors were done. What else can be causing this? IS THERE ANY WARRANTY FROM A CHEVY DEALER ON THE INJECTORS THEY REPLACED 10 MONTHS LATER??? Is it possible the injectors dont seat well within the head itself and this will just keep happening? Is there a better injector to replace it with? Could they have messed up the seals? Any thoughts at all??? I would think if an issue with the head was the case, I wouldnt have made it the first 80K miles without issue in the first place. I just dont want to have this keep happening. Thanks, Chris
  5. Ok, so 2014 GMC Sierra SLT 5.3L L83. I *HAD* a p050d, and a misfire on cylinder 8 primarily, followed by cylinder 7 also. THIS WAS BACK IN JULY LAST YEAR, 2019, at 87K. I cleaned MAF, throttle body, replaced all plugs and coils, and did a 3 part BG cleaning for carbon deposits... none of which helped that situation. Had to go in to the dealership... I was under 100K miles and under 5 years, by 3 months... they didnt care as injectors are NOT covered under powertrain. They helped me with nothing. Bite the bullet, they said 7 and 8 are bad, I had them replace all eight injectors since we are there. SO HERE WE ARE TEN MONTHS LATER!!! All was going well, I do mobil 1 full synthetic 0w-20 every 3k, I use ONLY 93 octane, I do a Techron fuel cleaning additive around every oil change, and I never allow the vehicle to go into AFM/V4. Three days ago I get a p2099 (post cat fuel trim rich bank 2). The following day a misfire p0308 on cylinder 8. I hate the chevy dealer, so I take it to a highly recommended engine shop nearby. They did all the small stuff first, not the problem. Then they get down to it, and find the fuel injectors, especially #8 (the worst one last time, NON AFM) look like crap. Stained, corroded, carbonized... He called me just now to tell me they look horrible AND when removing the injector rail, there are no seals underneath on that side. They are about to check out the drivers side and then call me again. Seals are either worn, gone, missing, fell apart, whatever... that also explains the staining under the cover and the burnt oil/gas smell I notice in the cab that I get at startup or when idling. So.... any ideas as to underlying cause??? Its been under a year and 11k miles since injectors were done. What else can be causing this? IS THERE ANY WARRANTY FROM A CHEVY DEALER ON THE INJECTORS THEY REPLACED 10 MONTHS LATER??? Is it possible the injectors dont seat well within the head itself and this will just keep happening? Is there a better injector to replace it with? Could they have messed up the seals? Any thoughts at all??? I would think if an issue with the head was the case, I wouldnt have made it the first 80K miles without issue in the first place. I just dont want to have this keep happening. Thank you, Chris
  6. Type in Telluride SX on google image search. They made them look nice, if you debadged it would look almost like a range rover front, and you can get all the bells and whistles standard that cost extra on the Traverse. The looks are nice, it can seat 8 eventhough its overall about 8" shorter than a Traverse, but the real winner is warranty. They come with a 5yr 60K basic, 10yr 100K powertrain. You can get the highest most luxurious model, the SX with Prestige package and AWD for 46K. It would be a no brainer for me, but my wife and her "school mom warriors" would never entertain the idea. Again, this is coming from an all Chevy/GMC family for decades, and 5 years ago if someone even mentioned a foreign car comp to me I would have just laughed.
  7. Yes, 5yr 60K basic, 10yr 100K powertrain. You can get their most expensive trim, an SX Prestige with AWD for 46K.
  8. I forgot, the AC condenser is another expensive repair by the way. It is a wide spread, RAMPANT problem... pages upon pages upon pages of people with leaks at the SAME EXACT weld. Top right drivers side to be exact. Dealerships want over 1K to fix this and they do NOT help you financially. Just another example. I hope the 2020 Traverse got "all the kinks out" however. The only thing ive read about was 9 speed transmission people and it didnt seem to be as rampant and widespread at my condenser, vibration, injector examples...
  9. Look... I am buying the Traverse... AND... AND... I absolutely LOVE my Sierra. But I am NOT "one of the few"... and I dont think its misinformation. Lots of people really should stop defending GM, as in customer service and corp GM. Hop on over to the 2014-2018 GM Sierra forum and start a topic asking everyone if they should shut off the ability to go into V4 mode, or not?. Go ahead. Well over 50% of every response will tell you to do so. I'm not the only crazy one. And im not a catchcan person eventhough many are. Over 800 PAGES on shake/vibration... over 36 PAGES on ac condenser leaks with pics from everyone at the SAME EXACT weld joint, which is OK, except GM wont acknowledge or help anyone financially with it... type in the search bar "p050d" and keep a running tally yourself of number of people you can count having fuel injectors go at UNDER 50k miles. I would say these fuel injectors are part of the engine wouldnt you? and are a very expensive fix. A dealership will charge you 2K and its specifically NOT covered under powertrain. And sure you dont HAVE TO use high end fuel, but that doesnt stop GM from telling people they should have been doing so when their injectors go. Also of interest, just how many people had to wait for weeks and weeks to get fuel injectors and AC condensers because they were on national backorder... gee... wonder why? And ill attach a picture (below) for all the 2011, 2012, 2013 Equinox and Terrain people who consider excessive oil consumption, piston rings, broken timing chains, etc... to be a MAJOR engine issue. Here is a pic of my letter just got in the mail 2 weeks ago (different vehicle, an equinox), after a lawsuit, like I said earlier (not a lie), forced them to do it.... but I do thank you for all the Traverse info. All im saying is, this isnt the GM of 1980s THAT WOULD TAKE CARE OF THEIR MISTAKES to the fullest of the brand reputation.
  10. I have a 2014 Sierra 5.3 A/T (which I STILL love) and post on here regarding issues and such, but I had a question about the 2020 Traverse because my wife desperately wants one. I tried talking her into a Kia Telluride (more for the money, much much better/longer warranty, company seems to actually admit to and fix their issues, etc) but she wont have it, the Traverse it is, 100% mind set. And this is coming from me, a diehard entire life chevy/gmc family where we have NEVER had a foreign vehicle. I am tired of GM honestly, not because they have had issues, all manufacturers do, but because they are major internal engine or trans issues for which they deny, deny, deny, problems shared by thousands of people (like AC condenser), they add exceptions to warranty (like fuel injectors in the DI sierras), decrease their new warranty lengths, send out notices for problems long after they knew about the issue and only when lawsuits force them to do so (like the excessive oil consumption in my wifes 2011 Equinox that isnt running (at only 67K) long after the timeframe for reimbursement has expired and they know it so then I get the lawsuit letter in the mail), etc... I can go on and on... but she is dead set on the newer Traverse. So here I am... I would like someone to tell me about owning a 2020 Traverse from the standpoint of problems and preventing problems. FOR EXAMPLE, if I could go back in time when I bought my 2014 Sierra new, I would have liked someone to tell me the following: many have vibration/shake issue, several AC condensers are leaking, its a DI engine so prone to carbon deposits on back side of valves, use higher grade fuel like 91 or 93 than recommended, change the oil more frequently than recommended, +/- catch can, it has V4 / AFM mode but dont ever use it, tune it out or run in M5, use a bottle of Chevron Techron injector cleaner every now and then, etc... etc... I would LOVE for someone to say something like that for Traverse issues without me having to dig through hundreds of pages to figure out what issue(s) I should anticipate. For instance, I have heard about the 9 speed trans in the 2018 people having problems, needing flushes early, replacements, new torque converters, etc... So anyone have any insight to 2019/2020 Traverse problems or preventable maintenance? Anyone know if the 2018 Traverse trans/torque converter (I believe there is a TSB regarding them) underwent any changes in the 2020 models? Supposedly it had something to do with chevy not using the proper trans fluid for the new 9 speed? I thank you for your time!!!! Take care, Chris
  11. Yes, this may be the wrong place for this. I have a 2014 Sierra 5.3 A/T and post on here regarding issues and such, but I had a question about the 2020 Traverse because my wife desperately wants one (and I tried posting on that forum which isnt working at the moment). I tried talking her into a Kia Telluride (more for the money, much much better/longer warranty, company seems to actually fix their issues, etc) but she wont have it, the Traverse it is, 100% mind set. And this is coming from me, a diehard entire life chevy/gmc family. I am tired of GM honestly, not because they have had issues, all manufacturers do, but because they are major internal engine or trans issues for which they deny, deny, deny, problems shared by thousands of people (like AC condenser), they add exceptions to warranty (like fuel injectors in the DI sierras), decrease their new warranty lengths, send out notices for problems long after they knew about the issue and only when lawsuits force them to do so (like the excessive oil consumption in my wifes 2011 Equinox that isnt running (at only 67K) long after the timeframe for reimbursement has expired and they know it), etc... I can go on and on... but she is dead set on the newer Traverse. So here I am... I would like someone to tell me about owning a 2020 Traverse from the standpoint of problems and preventing problems. FOR EXAMPLE, if I could go back in time when I bought my 2014 Sierra new, I would have liked someone to tell me the following: DI engine, prone to carbon deposits, use higher grade fuel like 91 or 93, change the oil more frequently than recommended, +/- catch can, it has V4 / AFM mode but dont ever use it, tune it out or run in M5, use a bottle of Chevron Techron injector cleaner every now and then, etc... etc... I would LOVE for someone to say something like that for Traverse issues without me having to dig through hundreds of pages to figure out what issue(s) I should anticipate. For instance, I have heard about the 9 speed trans in the 2018 people having problems, needing flushes early, replacements, new torque converters, etc... So anyone have any insight to 2020 Traverse problems or preventable maintenance? Anyone know if the 2018 Traverse trans/torque converter (I believe there is a TSB regarding them) underwent any changes in the 2020 models? Supposedly it had something to do with chevy not using the proper trans fluid for the 9 speed? I thank you for your time!!!! Take care, Chris
  12. 2014 Sierra 1500 5.3L V8 @97k and no CELs. So, I dont smell it that often, mainly because I drive it all the time and probably am used to it, but anytime my wife and kids get in the car they immediately notice it. To the point of wanting to lower a window. It is worse at START UP, and also when idling for a while. You will not notice it while driving. The only time I pick up on it is right after remotely starting the vehicle, when I first open the door and get in. As I drive, it gradually goes away. Now I have smelled a view things in my day, hot burning oil, pure gasoline, exhaust, diff oil... to me, I think it smells like exhaust, possibly some mix of gas as a 2nd place option. I will admit though, that smell identification isnt exactly my strongest skill. Anyhow, I have changed oil, rear diff, transfer case, front diff, and trans pan fluids all within the last month. Didnt find any issues so far, and this smell has been there for a few months now. I would like to know, otherthan a manifold leak or leak between the manifold and cats (which is what I'm going to check next), what else IT COULD BE??? I have sent some oil out to Blackstone to check for gas or coolant, my results are still pending. I also have changed the cabin air filter and didnt notice anything wrong. I plead ignorance on knowing where exactly the vehicle is pulling the cabin air in from however??? Does it come from the passenger side just below the wipers? Is there anything there I should be checking? I did notice a gap, on the passenger side, low, and behind the battery, between the side wall and what looks like firewall material... I added a picture... any thoughts would be appreciated... Thank you, Chris
  13. Sorry to drag up an old post, but I just sent a sample out to blackstone. 2014 5.3L Sierra 1500 L83 @ 97K miles. My question is, when the results come back, is ANY gasoline considered a problem? Or at what percentage are we saying it is too high that we need to start looking for a fuel system cause? Thanks, Chris.
  14. Hey guys, 2014 Sierra 1500 5.3 L83 A/T... 95K and just cleared 5 years... I am passed the 5yr/100k warranty so I don't care what the stealership thinks about tunes. I have already had the unfortunate circumstance of fuel injectors (along with some more minor GM scumbag issues like seat movement and AC condenser leaking at the same spot as the other 10K people). Anyhow, I'm tired of running in M5 all the time. I decided on blackbear and dont want anything overly fancy. I'm looking for killing AFM/V4 off, improving transmission shifting, and a better throttle response. My question is, is there a way to do this for under $600? I thought I read somewhere that someone did this through blackbear for less, I just forget how. Is buying a used AutoCal my only option? I am assuming blackbear wont take one back as a one time use and return right? I dont want to keep anything, I dont want the hardware, I wont ever need to set it back for the dealership's concerns, and I wont be changing my mind to calibrate for some other feature (fuel economy, towing, whatever). I just want a one and done. Anyone have thoughts/suggestions? I doubt anyone is on long island and has one to borrow. Thanks, Chris
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