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  1. General
    2004 Trailblazer LS 4.2 Open/Closed Loop operation & how it affects the issues below My first question involves the cel & how it affects mileage.I am currently in need of an oil change,which is triggering a P0014 code,cel and mileage. For the most part,Im familiar with how open/closed loop...
  2. OEM Issues
    I have read many forums here, and nothing seems to help me, I have replaced the thermostat, ECT sensor, camshaft sensor, crankshaft sensor, fuel pump, and cleaned the throttle body. I am still stalling out once the engine is warm and I come to a stop. I am still having the same codes reading...
  3. OEM Issues
    Alright, I own a 2004 Chevy trailblazer 4x4 4200 I6. I had a clogged cat and instead of dropping the 600+ on replacing it I straight piped it. Now that dang CEL keeps coming on :hissy: Now i replaced the O2 sensor as a precautionary for further problems and used the nonfouler set up to keep the...
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