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  1. Gen1 Service Issues
    Hey everyone, does anyone know if a bad EVAP canister can cause low boost? I’ve been chasing this boost issue for a few weeks now, and can’t find the cause. I’ve replaced the valve cover, intake manifold, evap purge solenoid, reflashed the ECU with the calibration from Trifecta, and nothing is...
  2. General Discussion
    After dealing with the po299 code for a couple of weeks now, i have made a boost leak tester. I found a leak in the oil filler cap but after doing some reading, many said this was normal and it was just blow by? Should i be worried about this or is this normal?
  3. General Discussion
    I have a boost issue at 2800rpm with my cruze, I get no code, no check engine. At cold start the boost is ok but not for long. With the trifecta tune on the issue is heavy but with the tune off the power is poor and more poor when climbing hills, I replaced spark plugs, regap all to .025 as...
  4. Gen2 Service Issues
    I have a boost issue at 2800rpm with my cruze, I get no code, no check engine. At cold start the boost is ok but not for long. With the trifecta tune on the choking is heavy at 2800rpm but with the tune off the power is poor and more poor when climbing hills, I replaced spark plugs, regap all to...
  5. Gen1 Service Issues
    my Cruze has been having some trouble building boost. This turbo is less than a year old. I know there’s lots of other posts about turbo problems but I could never find exactly what I was looking for. When I accelerate I can hear the wastegate opening and closing while Im on the gas. What causes...
  6. Gen2 Powertrain
    2016 Cruze 48xxx miles Hey everybody, I've recently noticed a loss in power and even kind of a judder feel when accelerating. It isn't jerky but more of a warble that finally goes away around 4k. Maybe it's waiting for a certain amount of boost :unsure: , I don't know. This is my first forced...
  7. Gen1 Engine/Transmission Tutorials
    How-To: Charge pipe clean - up. Overview: This is going to be a quick how-to for cleaning the charge pipe that is likely to leak boost over time. It gets dirt and stone inside. You may also want to remove the driver's side one and clean it, but that one was not leaking for me. The passenger...
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