I have a 92 GMC Yukon that was stalling when you put it into drive or reverse please replace the o2 sensor because of a code 44 for obd1 air check for vacuum leaks now runs the same with or without it

I have a 92 GMC Yukon that was stalling when you put it into drive or reverse please replace the o2 sensor because of a code 44 for obd1 air check for vacuum leaks now runs the same with or without it 1 Answer

hi i have a 2005 gmc yukon denali.Car was running perfect now it hesitates and shakes.No codes no check engine light.Ones give a code for rich on bank 1 or 2.Last year i done my blocks and replace the headers and corsa exhaust plus air intake filter.After i took a trip to florida car start loosing power and rpms whent lower like 500 or sometimes below. I try soo many diferrent mechanics.Please help anyone! Realy appreciate Thank You 1 Answer

hi i have a 2005 gmc yukon denali.Car was running perfect now it hesitates and shakes.No codes no check engine light.Ones give a code for rich on bank 1 or 2.Last year i done my blocks and replace ...

i have a 2003 GMC Yukon SLT 5.3L that when i put in reverse or drive it makes a loud grinding noise and it does not move. what can cause this to happen? 24 Answers

Even being in park the truck will still roll forward. In order to stop it I have to place a rock in front of the tire or place it in 4WD, like it sits right now.

I Have A 07’ Yukon SLT. And I been Having battery drainage problems lately.. it will be working Fine than one minute I while get back in it to drive and it will be Dead! Get a jump, it comes back on and be fine for weeks than one day it just dies again? Not sure what’s wrong? But what I did find out is that the owner before me had Speakers hooked up and the loose Wirer's are still running under my seats and in my truck the other end of the wiRers that ran to the speaker is just thier live wirers with nothing hooked to it? Could that possibly be why the battery is seen tobe draining and if So what could I do to fix it, or either how could I disconnect the wirers from the battery running live under my seats??? 4 Answers

I Have A 07’ Yukon SLT. And I been Having battery drainage problems lately.. it will be working Fine than one minute I while get back in it to drive and it will be Dead! Get a jump, it comes back o...

I have a 95 GMC Yukon. Stars and dies, repeatedly and the after about three start and dies, it starts and runs perfectly. Only does this about once or twice a month. Any ideas? 1 Answer

When I start it and hold the gas at 1000rpm it stays running. But if I let off the gas it dies. Its really weird. Almost like vapor lock acting