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  1. OEM Issues
    So while repairing a coolant issue I found that my vacuum line from my resonator to my fuel pressure regulator was broken. It broke right where the line enters into the rubber elbow. I have read that having this little line broken will cause your vehicle to idle rough or not properly. I have...
  2. General
    I need your all help :hail::hail: I purchased my TB since one month with 93000KM , the engine working perfectly but as a routine maintenance I decided to make by myself and as I learnt from this valuable site I did a clean of my TB and changed the spark plugs and air filter During the...
  3. OEM Issues
    My Envoy runs rough at idle and it is not consistent. The vehicle has 117k so I read and cleaned the throttle body by removing it and getting both sides. I also disconnected the battery while performing the work. When I come to a stop signal the idle is initially smooth and then moments later...
  4. Engine Tunes/Mods
    hi. i have a 2004 envoy would like to install my vacuum gauge but i do not know where to install the vacuum gauge T fitting hook up. can someone please help me by telling me where the correct vacuum line is or show me pictures of it? Thank you !!!:thx
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