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underboost

  1. Gen1 Powertrain
    On and off on and off the code P0299 comes on (check engine light). Issues accelerating, wont remote start (due to check engine light of course). but it will be on one day, off the next... Any tips on how to resolve this issue completely? They've already replaced the turbo once in this cruze...
  2. Fuel Economy
    Sometimes my Cruze makes 16 psi and sometimes it makes 2 psi. My turbo has less than 10,000 miles on it. Sometimes when I start it up and drive it it makes good boost. Other times it doesn’t make anything. I haven’t done a boost leak test but like I said it’s not a consistent leak. Sometimes it...
  3. General Discussion
    So I'm asking this question in general because I want input from basically everyone. I recently got a p0299 code which is underboost code. I own a 2nd gen 1.4l turbo cruze, and Im asking if the 1st gen and diesel variants also have experienced this. Reason I think its the wastegate issue in...
  4. Gen2 Service Issues
    Anybody else have this code on the gen 2? Just popped up for the first time today. I read and cleared the code. Will see if it comes back tomorrow. When searching for the code, i found that apparently this was common on gen1 cars, but don’t see much on gen2. Car is 2017 premier hatch, 47k...
  5. Gen1 1.4L Turbo
    Permanent “supercharger/turbocharger “A” underboost condition” after turbo replacemen So this is my second turbo on this Cruze. The first one I put on died prematurely due to restricted oil feed tube. Expensive but stupid mistake on my part. Now I have a new turbo put on along with new oil...
  6. Gen1 Powertrain
    Hello all, about 2 weeks ago i had a check engine light come up with P0299 Engine under boost. It went off on its own so i decided to wait and see if it came back on..... and it did yesterday. i have not hooked up scan tool back to it but im assuming that its gonna be the same code. it does seem...
  7. General Discussion
    2013 Chevy Cruze 46000 mile check engine light keeps going on and off every couple days went to AutoZone and had them pull a code for me. was reaching out for some help is this covered under 100000 powertrain warranty? does this mean I need a new turbo charger? Is it bad to drive around like...
  8. Gen1 Service Issues
    I am currently the owner of a 2011 Chevy Cruze RS with 71,000 miles and am now replacing the Turbo. I was wondering if anyone else has experienced the same issue or have had to do the same. Since August I've had to change the water pump and also had some other work done . The check engine code...
  9. Gen1 Diesel General Discussion
    I've had my car to the dealership a few times over this issue. However, though they never gave me the actual OBD code, so I don't know if it's the same issue. The first time I got a CEL for intake/boost-related issues was due to a quite obvious situation where the clamp on the turbo cold side...
  10. Gen1 Powertrain
    i took my 2012 LT cruze into the dealer i geuss my underboost turbo is gone? i have an LT i dint know it had any turbo!!!is this not a warrnty issue? does anyone know? im under 160 k...the parts are 1000 and labor 500...fml
  11. Gen1 1.4L Turbo
    Last night I got an engine light with P0299 Underboost. The max I would boost is 4psi. I have a Vermont tune. I cleared the code and restarted and now am boosting normal. This morning I had to go out so going to the store I drove my Cruze hard trying to get the code back and it drove great. Any...
  12. Gen1 1.4L Turbo
    Since flashing the Trifecta tune I get a stored code for P0299 Turbo/Supercharge underboost code. When I told Vince about it, he responded with So what could be causing this issue? When I first got the car, probably about 1200 miles, I got an engine light and I called OnStar and they said it...
  13. Gen1 Service Issues
    Hey guys, I'm new here and I am not the most literate when it comes to cars so please give me some slack! I bought my 2011 Chevy Cruze 2LT in Feb of 2011. Ever since then I have only had the recall problems and one problem in which my overheating warning came up and i was using engine coolant...
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