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  1. Gen1 Diesel Technical Discussion
    Happy new year all! Starting 2021 off right with a new CEL light 🥳 Well sorta, its actually its been coming and going since November/December 2020. So a few weeks back on a cold morning I hit the remote start only for the car to shutdown 5 seconds later. Using my Scangauge I retrieved P205B...
  2. Gen1 Diesel General Discussion
    Hi everyone - I've been researching these forums after I received the dreaded P21DD and P20B9 Trouble Codes for the second time. My 2014 Cruze currently has ~65K miles and I had the tank and heater replaced once before at ~30K miles. Unfortunately, the vehicle's speed limitations from these...
  3. Gen1 Diesel Technical Discussion
    The time has come and my 14 Cruze is no longer warranty, I have really had zero issues with the car other than emissions CEL due to the NOX#2 sensor doing what it does lol. About 2 weeks ago I got the P11D7 code, so I ordered the new nox#2 sensor and replaced it but 30 miles later I get the same...
  4. Gen1 Diesel Technical Discussion
    Anyone ever had this happen? DEF reading was somewhere below the "OK" amount, can't remember exactly, but it was enough for me to put another 2.5 gal jug in, back on April 1st. It never went back up to "OK" (usually takes a bit, but eventually will) - has stuck at reading "25%"...and still is...
  5. Gen1 Diesel General Discussion
    I have a 2014 CTD with 103,000 miles that started throwing a P249E (powertrain) code and a "check engine" light a few weeks ago. By way of background, the DEF heater was replaced about 2 years ago @ 55K miles and a NOX sensor recall was done about 6 months ago. The car has been running fine...
  6. Gen2 Diesel General Discussion
    Looking for info on gen2 emissions system delete. Anybody successfully do this?
  7. Gen2 Diesel General Discussion
    Question for the board On the way home the check engine light came on, and the car went into limp mode due to low DEF. I filled the DEF tank and now the car runs (seemingly) fine, but the check engine light is still on. Also, the remote start function on the car no longer works. Are these...
  8. Gen2 Diesel General Discussion
    I didn't know DEF spoiled until tonight How to read the expiration date. https://www.youtube.com/watch?v=XgwmaAqAXwA
  9. Gen1 Diesel Technical Discussion
    So we have a 2014 Cruze diesel with 245,000 miles on it. A few months back the dealer replaced the Nox sensor under a recall. Since then the def quality poor light has been on 4 or 5 times and has went out shortly after. This time it’s limited me down to 65 and now 55 I’ve called the dealer and...
  10. Gen2 Diesel General Discussion
    So I purposley ran my DEF system low to see what % was left when it went into "limp mode". The car kept saying DEF low but I was showing over 15% reamining. I have Torque Pro and when I finaly goto to the point where it said "exhaus fluid empty, refill now" at 14%. It then says 399 miles...
  11. Gen1 Diesel General Discussion
    This is a separate follow on to previous DEF delete and Verano spare threads. In a nutshell: Remove carpet insert and trunk floor, tank cover, and tank hold down bolts. Disconnect pump inlet and outlet hoses, and electrical harness. Lift out the tank but leave the bottom tank support foam in...
  12. Gen2 Diesel General Discussion
    DEF consumption I have witnessed: 1. After buying the car and reaching about 3,500 miles I was down to 30% showing on the dashboard display. I promptly filled the tank using most of a 2.5 gallon jug purchased at the auto parts store. 2. The first oil change arrived at 7,500 miles. The...
  13. Gen2 Diesel General Discussion
    The fill-cap on my Cruze indicates that it is to be fed "blue DEF." I'm seeing other posters here indicating that they are using truck-stop-pump DEF. Is there ANY reason (other than GM hype) to specify "blue DEF" rather than the truck-stop "stuff?"
    def
  14. Chevy Cruze Diesel Issues, Repairs & Service bulle
    Thanks in advance for any help, I recently bought a 2014 diesel and love it. But the check engine light came on as well as a warning to service exhaust fluid. I'm limited to 65mph at this point with slower speeds yet to come (ridiculous). I took it to a dealer and they swore it was the...
  15. Gen1 Diesel General Discussion
    I have two time sensitive issues with my dealership that I would appreciate advice from the forum on: 1). Dealer says my 1 month old new DEF fluid is brown. Has anyone here had their DEF Fluid Brown? How much is the markup on their DEF fluid compared to DEF Blue from the autocrats store...
  16. Gen2 Diesel General Discussion
    2018 CTD , what are people using in theirs? Used my 2 free oil changes now it’s on me.
  17. Gen1 Diesel Technical Discussion
    So my DIC display is saying DEF is at 25%, odd, since I had recently added a 2.5 Gal jug. So I go to fill it and end up topping it off, completly full.. the DIC still says 25%, it takes a few drive cycles to adjust, but in this case it has been well beyond that, and it still says, 25%. The...
  18. Gen2 Diesel General Discussion
    So, I waited until about 30% remaining until I filled my diesel emissions fluid tank for the first time hoping that two and a half gallons would fit and I wouldn't have to use too much of another container to top up if any at all. After all, two and a half gallons out of a 3.8 gallon tank is...
  19. Gen2 Diesel General Discussion
    So far I am 0 for 2 refilling DEF in 2017 M6 sedan without making it rain. #1, on my flipflops from a $17 2.5 gallon near Ft Erie PA during arctic conditions on I-90. #2, via a $7.88 walmart plastic 2.5 gallon jug, which resulted in crystalized horse urea all over the roof of the car, and my...
  20. Gen1 Diesel Technical Discussion
    I wanted to post a question to the group to see if anyone has experienced leaks around the top of the DEF heater. My 2014 Cruze triggered the 35% DEF warning, so I decided to add some fluid. While filling, I noticed some crystals down in the well of the trunk. Apparently it had been leaking...
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