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...

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...

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...

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