Questions & Answers for: 2001 gmc yukon problems

...RPM 2001 GMC Yukon Heater blows cold air unless above 3000 rpm and engine temp runs hotter than normal (245-250) at low rpm. Could I have a vacuum problem? check coolant level! look for coolant ...

4-wheel drive 2001 gmc yukon will not go into four wheel drive SWITCH IS BAD, A KNOWN PROBLEM WITH THEM AND I HAD ONE AND IT DID THE SAME THING TO ME, THE PUSH BUTTON 4WD SWITCH IS BAD

2001 GMC Yukon XL PO171 System to lean left bank. Lean means either not enough fuel or to much air. Might have an injector problem. Check plugs on that side, see what color the white porcelain part is

2001 GMC Yukon XL 5.3L - Engine Timing how do I check the engine timing...came back from a road trip and engine is idling rough...wonder if my timing belt/chain slipped. Doubt it. try a code reader. ...

2001 yukon codes causes banks 1 and 2 to run lean? what sesor causes a 2001 yukons banks 1 and 2 to run lean? If bank one and two are running lean problem is the Mass Air Flow Sensor (MAF) Dirty or ...

...with acceleration - 2001 Yukon problems with acceleration - 2001 GMC Yukon. It has a hesitation when first accelerating. Most likely it is due t5o dirty fuel injectors or bad mass air flow ...

...had same problem on my 2001 gmc yukon. I found leak under my water pump. I replaced it myself and the problem was cured. heater wont work because there is not enough water to be heated for the

2001 yukon gmc a/c blows cold to rear warmer air to front a/c air conditioner blows warm air out front vents . and cold air out of back vents Could be a blend door problem under the dash.

...2001 Yukon Denali? I am looking for the location of the fuse box for a 2001 Yukon Denali Visit the on-line store, know as reliable-store, they have the repair manuals. I'm sure you will get the ...

...2001 GMC Yukon Truck will turnover but won't start?? Now I did run it low on gas right before this happened and I've never had any problems with this truck in the two years I have had it .... more ...